Pratt, Robertson Antibiotics. Robertson Pratt and Jean Dufrenoy. - 2d ed. - Philadelphia Lippincott 1953. - 398 p. illus. 24 cm. LCCN: 53007660 Subjects--Topical Terms: Antibiotics.Antibiotics. LC Class. No.: RM267 / .P7 1953 Dewey Class. No.: 615.329