TY - BOOK AU - Waksman,Selman A. TI - Microbial antagonisms and antibiotic substances AV - QR41 .W25 1947 U1 - 589.95 PY - 1947/// CY - New York PB - Commonwealth Fund KW - Microorganisms KW - Bacteriology KW - Cultures and culture media KW - Antibiotics N1 - Bibliography: p. [333]-393 ER -