From the Department of Anatomical Pathology, School of Pathology, University of the Witwatersrand, and the South African Institute for Medical Research, Johannesburg, Republic of South Africa.
This study was supported by grants from the S. A. Institute for Medical Research, and the H. E. Griffin Trust, administered by the University of the Witwatersrand. The clones used in the preparation of the probes for NISH were obtained from Dr. E.-M. de Villiers, Papillomavirus Referenzzentrum, Heidelberg, Germany (HPV 6, 11, 16, 18), Dr. A. T. Lorincz, Digene Diagnostics, Silver Spring, MD, U.S.A. (HPV 31), and Dr. C. Orth, Institut Pasteur, Paris, France (HPV 33).
Dr. Cooper is currently the Director of Anatomic Pathology, Department of Pathology, University of Vermont, Burlington, Vermont, U.S.A.
Address correspondence and reprint requests to Wayne Grayson, MBChB, FCPath, Department of Anatomical Pathology, S.A.I.M.R., P.O. Box 1038, Johannesburg 2000, South Africa, E-mail: [email protected] mail.saimr.wits.ac.za
