630 by a surgeon, 151 by a plastic surgeon, 190 by a dermatologist, and 26 by specialists in other disciplines. General and plastic surgeons performed partial biopsies only in a small percentage of the cases (1983, 3%; 1986,2%; 1988,1 %) whereas dermatologists performed many. Far fewer incisional and punch biopsies were performed by dermatologists in 1988 than in 1983 and 1986 (1983, 45%; 1986,...