550,444 YEAR The year book of cardiology 1992 / ed.-in-chief Robert C. Schlant ; eds John J. Collins [et al]. - St. Louis [etc:] : Mosby Year Book [1992]. - XIII, 441 s. : il., wykr. ; 24 cm (The Year Book Series ; ISSN 0899-8019) ISBN 0-8151-7778-X