title: [Of chance and necessity: the discovery of the Fletcher factor (prekallikrein)].
mesh_terms: D002648:Child; D005627:Frostbite; D006405:Hematology / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D007610:Kallikreins / Q000032:analysis*; D007629:Kentucky; D008297:Male; D011288:Prekallikrein / Q000032:analysis*
chemical_list: D011288:Prekallikrein; D007610:Kallikreins
vernacular_title: A propos du hasard et de la nécessité : la découverte du facteur Fletcher (prékallikréine).