LeFrock, Jack L. 1934- Nosocomial infections Jack L. LeFrock, - New York : Upjohn Company, 1976[reprinted 1978] - 51 p. : 23 cm. Bibliography: p. 48-54. Subjects--Topical Terms: Nosocomial infections.Hospital buildings--Sanitation. Dewey Class. No.: 617.008 / LEN 1978