Ƙirƙiri wani nau'i mai mahimmanci na wannan jumla'' Oxford Dictionary of National Biography ;'' Ibrahim, Sir Edward Penley'' Chain ya gano yadda za a ware da kuma mayar da hankali ga wakili mai kashe kwayoyin cutar a cikin penicillin.
Tabbas, wani nau'i mai rikitarwa na jumla shine "''Oxford Dictionary of National Biography ";'Ibrahim, Sir Edward Penley'' Ba da daɗewa ba bayan da tawagar ta wallafa sakamakon farko a 1940, Fleming ya kira Howard Florey, shugaban sashen Chain, ya ce zai ziyarci cikin 'yan kwanaki masu zuwa. "