Dressler, William, 1890- Clinical aids in cardiac diagnosis / by William Dressler - New York : Grune & Stratton, 1970 - 246 p. : ill. ; 25 cm. LCCN: 74-082556 Subjects--Topical Terms: Heart--Diseases--Diagnosis National Library of Medicine Call No.: WG141 / .D773c 1970 9