Virella,Gabriel, 1943- Microbiology, immunology and infectious diseases/ Gabriel Virella . - Philadelphia : Lippincott William & Wilkins, 1999. - ix,113 p. ; 28 cm. - National medical series questions and answers for independent study. . ISBN: 0683304488 Subjects--Topical Terms: Microbiology examination questions.Immunity examination questions.Immunologic Diseases examnation questions.Communicable Diseases examination questions. National Library of Medicine Call No.: QW18.2 / V816m 1999