ACP journal club. - Philadelphia, Penn. : American College of Physicians, c1991- - v. - Bimonthly - Vol. 114, suppl. 1 (Jan./Feb. 1991)- Bimonthly. Title from cover. ISSN: 10568751 = ACP J Club ACP J. Club Subjects--Topical Terms: Medicine. National Library of Medicine Call No.: PER ZW 1 / A185