BERGQVIST DAVID [red.] 300,370 VENOUS Venous thromboembolism managing the risk: Proceedings of a symposium Held in Berlin October 6-7 1989 / guest ed. Hans Klaus Breddin and David Bergqvist. - Stockholm : Distr. by the Almqvist and Wiksell, 1990. - 120, [3] s. : il., wykr. ; 25 cm (Acta Chirurgica Scandinavica, ISSN 0001-5482 ; vol. 156, suppl. 556)