Herrell, Wallace Edgar, 1909- Penicillin and other antibiotic agents / by Wallace E. Herrell. - Philadelphia ; London : W. B. Saunders Co., 1945. - xv, 363 p. : ill. (part col.), tables, diagrs. ; 24 cm. Includes bibliographical references. Subjects--Topical Terms: Penicillin National Library of Medicine Call No.: QV 354 / H433p