BACIL PARK-WILLIAMS / bacille de Park-Will iams / Park- Williams’s bacil lus. [William H. Park, Bacteriohg american, 1863-1939, Anna W. Will iams, t)ac.te.rio(og american, 1863- 1955.} Tulpina de Corynebacterium diphteriae (v. Corynebac- terium} utilizata pentruproducerea toxinei difterice, indusa In *vaccinul DTP (diftero-tetano-pertusis).