| Affiliation: | 1. Turku University Central Hospital, Department of Obstetrics and Gynecology, SF-20520 Turku, Finland;2. Ciba-Geigy Oy, Medical Department PB 16, SF-00240 Helsinki, Finland;3. Department of Pharmacology and Toxicology, University of Helsinki, SF-00008 Helsinki, Finland;1. Department of Biochemistry and Biophysics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599 USA;2. Molecular Biology Program and Department of Pathology, Sloan-Kettering Institute, Memorial Sloan-Kettering Cancer Center, New York, NY 10021 USA;3. Department of Pathology and Neurosurgical Service, Massachusetts General Hospital and Harvard Medical School, Charlestown, MA 02129 USA |
