Abraham, E P Cephalosporins 1945-1986. [electronic resource] - Drugs 1987 - 1-14 p. digital Publication Type: Historical Article; Journal Article; Review ISSN: 0012-6667 Standard No.: 10.2165/00003495-198700342-00003 doi Subjects--Topical Terms: Cephalosporins--historyHistory, 20th Century