BJORK VIKING OLOV 305,230 Fifty years of cardiac and pulmonary surgery 1942-1993 : The beginning of open heart surgery of postoperative intensive care. The first complete left heart catheterization. Mechanical heart valves / Viking Olov Bjork. - [Oslo etc. : Scandinavian University Press, 1994]. - [4], 96 s. : il. ; 24 cm (Scandinavian Journal of Thoracic and Cardiovascular Surgery, ISSN 0586-9587 ; suppl.42)