547,823 LONG Longacting cephalosporins in surgery : World Congress of the International College of Surgeons Milan, July 3-9, 1988 / guest ed. : K. Hell. - Basel [etc.] ; Karger, [1989]. - [10], 57, [1] s. : il. ; 26 cm (European Surgical Research, ISSN 0014-312X ; 21, suppl. 1) ISBN 3-8055-4586-X