Marsh, Clay B. Internal medicine pearls / by Clay B. Marsh, Ernest L. Mazzaferri. - hiladelphia, PA. : Hanley & Belfus, Inc., 1993. - 1x, 276 p. : ill. ; 26 cm. - The pearls series. . ISBN: 1560530243 Subjects--Topical Terms: Internal medicine--Case studies.Humans--diagnosis.