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Front Matter JOURNAL OF CLINICAL MICROBIOLOGY VOLUME 21 * JUNE 1985 * NUMBER 6 Henry D. Isenberg, Editor in Chief (1989) Herman Friedman, Editor (1985) Peter B. Smith, Editor (1989) Long Island Jewish-Hillside College ofMedicine Centers for Disease Control Medical Center University ofSouth Florida Atlanta, Ga. New Hyde Park, N.Y. Tampa, Fla. Richard C. Tilton, Editor (1989) Steven D. Douglas, Editor (1988) Michael R. McGinnis, Editor (1985) University of Connecticut School of Children's Hospital ofPhiladelphia North Carolina Memorial Hospital Medicine Philadelphia, Pa. Chapel Hill, N.C. Farmington, Conn. Nathalie J. Schmidt, Editor (1985) California Department ofHealth, Berkeley, Calif. EDITORIAL BOARD Donald G. Ahearn (1987) Mario R. Escobar (1986) Victor Lorian (1987) J. Schachter (1986) Libero Ajelo (1985) Richard Facklam (1985) James D. MacLowry (1986) Joseph D. Schwartzman (1985) William L. Albritton (1987) J. J. Farmer (1986) Laurence R. McCarthy (1986) Alexis Shelokov (1985) Daniel Amsterdam (1986) Mary Jane Ferraro (1987) Kenneth McClatchy (1986) Maurice C. Shepard (1985) Ann M. Arvin (1987) Patricia Ferrieri (1986) Joseph E. McDade (1985) David M. Shlaes (1985) Lawrence Ash (1986) Sydney M. Finegold (1985) Jerry R. McGhee (1985) Salman Siddiqui (1987) Arthur L. Barry (1987) James Folds (1987) Joseph L. Melnick (1985) Marcelino F. Sierra (1987) Barry Beaty (1987) Marianne Forsgren (1987) Thomas Mitchell (1987) Robert M. Smibert I (1987) John E. Bennett (1985) Lynn S. Garcia (1986) Josephine A. Morello (1987) James W. Smith (1986) Merlin S. Bergdoll (1985) W. Lance George (1987) Stephen A. Morse (1986) Steven Specter (1986) Jennifer M. Best (1987) Gerald L. Gilardi (1986) C. Wayne Moss (1986) Leslie Spence (1985) E. L. Biberstein (1986) Jack Goldstein (1987) Maurice A. Mufson (1986) Roy W. Stevens (1986) M. J. Blaser (1987) Robert C. Good (1985) Brian R. Murphy (1985) Charles W. Stratton (1987) Victor D. Bokkenhauser (1985) Monica Grandien (1987) Patrick R. Murray (1987) Jason Tanzer (1985) Edward J. Bottone (1986) Dieter Groschel (1986) Harold C. Neu (1985) Patricia E. Taylor (1985) Don J. Brenner (1986) Peter A. Gross (1986) Joseph V. Osterman (1985) Kenneth W. Theil (1985) George F. Brooks (1987) Joseph Guarneri (1987) Demosthenes Pappagianis (1986) Grace M. Thorne (1985) Arnold Brown (1987) Ian D. Gust (1985) A. William Pasculle (1986) Clyde Thornsberry (1986) Donald E. Campbell (1986) James L. Hardy (1987) John Penner (1987) S. Toma (1985) Leland E. Carmichael (1985) Maurice W. Harmon (1985) M. John Pickett (1985) Bent Faber Vestergaard (1987) Walter S. Ceglowski (1986) George R. Healy (1986) Allan C. Pier (1987) Alexander von Graevenitz (1986) Max A. Chernesky (1985) Kenneth L. Herrmann (1985) Richard Polin (1986) I. Kaye Wachsmuth (1987) Dennis J. Cleri (1987) Lillian V. Holdeman (1985) Robert H. Purcell (1986) Kenneth W. Walls (1986) Wallace A. Clyde, Jr. (1985) Russell C. Johnson (1985) William E. Rawls (1986) Joseph L. Waner (1986) B. H. Cooper (1986) Ronald N. Jones (1987) Errol Reiss (1985) San-pin Wang (1985) Marie B. Coyle (1987) Julius Kane (1986) L. Barth Reller (1986) Lawrence G. Wayne (1986) George Cukor (1987) George E. Kenny (1985) Shirley J. Richmond (1985) Melvin Weinstein (1986) Burke A. Cunha (1985) Mogens Kilian (1985) Glenn D. Roberts (1986) Tracy D. Wilkins (1987) Richard F. D'Amato (1986) Wesley E. Kloos (1985) Arthur F. Rosenthal (1985) Hazel Wilkinson (1986) Jules L. Dienstag (1986) George P. Kubica (1985) R. S. Ross (1986) Marion E. Wilson (1986) Walter R. Dowdle (1985) Clete Kurtzinan (1985) Sally Jo Rubin (1986) Walter R. Wilson (1985) Stephen C. Edberg (1985) Geoffrey Land (1987) Kathryn L. Ruoff (1987) Kwei-Hay Wong (1986) Bennett L. Elisberg (1985) Brian A. Lauer (1986) R. Bradley Sack (1987) G. N. Woode (1985) Richard W. Emmons (1986) Walter J. Loesche (1985) Ira Salkin (1987) Robert H. Yolken (1987) Helen R. Whiteley, Chairman, Publications Board Walter G. Peter III, Director ofPublications Linda M. Illig, Managing Editor, Journals Deborah J. Shuman, Production Editor The Journal of Clinical Microbiology (ISSN 0095-1137), a publication of the American Society for Microbiology, 1913 I St., NW, Washington, DC 20006, is devoted to the dissemination of new knowledge concerning the applied microbiological aspects of human and animal infections and infestations, particularly regarding their etiologic agents, diagnosis, and epidemiology. Papers dealing with antibiotics and antimicrobial agents and chemotherapy, with fundamental aspects of infection and immunity, and with food or dairy microbiology fall within the scope of other ASM publications. Instructions to authors are published in the January issue each year; reprints are available from the editors and the Publications Department. The Journal is published monthly, and the twelve numbers are divided into two volumes per year. The nonmember subscription price is $157 per year; single copies are $21. The member subscription price is $31 (foreign, $41 [surface rate]) per year; single copies are $7. Correspondence relating to subscriptions, reprints, defective copies, availability of back issues, lost or late proofs, disposition of submitted manuscripts, and general editorial matters should be directed to the ASM Publications Department, 1913 I St., NW, Washington, DC 20006 (phone 202 833-9680). Claims for missing issues from residents of the United States, Canada, and Mexico must be submitted within 3 months after publication of the issues; residents of all other countries must submit claims within 6 months of publication of the issues. Claims for issues missing because offailure to report an address change or for issues "missing from files" will not be allowed. Second-class postage paid at Washington, DC 20006, and at additional mailing offices. POSTMASTER: Send address changes to Journal of Clinical Microbiology, ASM, 1913 I St., NW, Washington, DC 20006. Made in the United States of America. Copyright © 1985, American Society for Microbiology. a*: & E IVP (I'J1t All Rights Reserved. The code at the top of the first page of an article in this journal indicates the copyright owner's consent that copies of the arti- cle may be made for personal use or for personal use of specific clients. This consent is given on the condition, however, that the copier pay the stated per-copy fee through the Copyright Clearance Center, 21 Congress St., Salem, MA 01970, fcor copying beyond that permitted by Sections 107 and 108 of the U.S. Copyright Law. This consent does not extend to other kinds of copying, such as copying for general distribution, for advertising or promotional purposes, for creating new collective works. or for resale. Author Index Actor, Paul, 951 Finegold, Sydney M., 891 Mackowiak, Philip A., 991 Scribner, Ronald K., 955 Agger, William A., 909 Fuccillo, David A., 930 Marling-Cason, Margaret, 991 Sedlock, David, 951 Ahmad, Q. Shafi, 884 Marr, Leona D., 972 Shell, Gordon, 869 Anhalt, John P., 880, 993 Gallo, Dana, 869 Matsen, John M., 919 Shungu, Daniel L., 875 Appelbaum, Peter C., 894 Germer, Jeffrey J., 987 Matteson, M. Lynn, 993 Smith, James W., 991 Arnon, Stephen S., 947 Goldstein, Lynn, 983 McCormick, James D., 909 Snipes, Edward, 951 Gooch, W. Manford, III, 919 Meurman, Olli, 963 Stagno, Sergio, 930 Baron, Ellen J., 891 Granato, C. H. F., 1000 Midura, Thaddeus F., 947 Steele, Cherrilee, 902 Barrett, Timothy J., 936 Groschel, Dieter H. M., 941 Miliotis, Marianne D., 884 Steigerwalt, Arnold G., 936 Barry, Arthur L., 880 Gurwith, Marc J., 909 Mills, Daniel C., 947 Still, Carol S., 884 Bartus, Henry, 951 Morris, George K., 936 Storch, Gregory A., 899 Baughn, Robert E., 922 Haley, Charles E., 991 Murphy, Brian R., 997 Stratton, Charles W., 995 Bonfanti, Carlo, 963 Halonen, Pekka, 963 Musher, Daniel M., 922 Sturge, Jerrilyn, 983 Brenner, Don J., 936 Hensel, Diane, 955 Musiani, Monica, 969 Bruszer, G., 865 Human, R. P., 985 Tarrand, Jeffrey J., 941 Hysmith, Robert M., 959 Neu, Harold C., 880 Tenover, Fred C., 983 Carlson, Larry, 983 Nickel, J. C., 1004 Thompson, J. Stephen, 914 Carter, Atlena W., 972 Isaacson, Margaretha, 884 Thornsberry, Clyde, 880 Cembrowski, George S., 989 O'Beirne, A. J., 930 Tierney, Eveline L., 997 Cerami, Alice T., 875 Kandolo, Kakongo, 980 Tillotson, G. S., 985 Clements, Mary Lou, 997 Katzner, K., 1000 Tilton, Richard C., 880 Cloud, Gretchen, 930 Kaufman, Leo, 972 Painter, Barbara G., 880 Tinker, Mary K., 930 Cossen, Cynthia K., 869 Kaufmann, Cindy S., 894 Patton, Charlotte M., 936 Tison, David L., 959 Costerton, J. W., 1004 Keller, James W., 972 Pearson, F. C., 865 Turnbull, Peter C. B., 884 Cremer, Natalie E., 869 Kelly, Michael T., 959 Plazzi, Marinella, 969 Kenny, George E., 891 Plorde, James J., 983 Washington, John A., II, 880, Daly, Judy A., 919 Kimball, Judith L., 989 Polyak, Marcia B., 989 987 Depenbusch, Joseph W., 894 Kunin, Calvin M., 902 Prytula, Anne, 914 Wauters, Georges, 980 de Repentigny, Louis, 972 Kurzynski, Terrence A., 989 Weary, M., 865 Diggs, Janice, 869 Kuykendall, Randall J., 972 Ratner, Hilda B., 995 Weinberg, Ellen, 875 Donohue, G., 865 Reiber, Nicholas E., 959 Weinberg, Geoffrey A., 899 Dubczak, J., 865 Ladd, T. I., 1004 Reiss, Errol, 972 Welch, David F., 955 Latimer, Joan M., 959 Roberts, Marilyn C., 891 Edmonds, Paul, 936 Laufs, R., 1000 Yong, David C. T., 914 Elrod, Cornelia, 930 Lee, John V., 884 Schell, Ronald F., 989 Lindenschmidt, E.-G., 1000 Schmidt, Nathalie J., 869 Zajac, Ihor, 951 Fass, Robert J., 880 Luby, James P., 991 Schmiel, D., 1004 Zerbini, Marialuisa, 969 AUTHOR INDEX VOLUME 21 Actor, Paul, 951 Bonfanti, Carlo, 963 Corey, Lawrence, 20 Felegie, Terrance, P., 838 Afolabi, Kola, 282 Bonnez, William, 274 Cossen, Cynthia K., 517, 869 Fenton, John J., 247 Agger, William A., 909 Boonlayangoor, Subhit, 298 Costerton, J. W., 1004 Fife, Kenneth H., 20 Aguadao, Jose M., 788 Bopp, C. A., 4 Courant, C., 622 Filho, Paulo P. Gontijo, 652 Ahmad, Q. Shafi, 884 Border, Maryon, 472 Creitz, L., 409 Finegold, Sydney M., 891 Alcid, David V., 626, 815 Bormann, Mark A., 726 Cremer, Natalie E., 517, 869 Finkelstein, Richard A., 174 Allen, George P., 694 Bosley, G.
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