Antihemophilic Factor : Its Presence in Fibrinogen, Assay Problems and the Stability of Lyophilized AHF-Fibrinogen Preparations - Baumgarten, W; Sanders, B. E; Belkin, B. D; Pagenkemper, F. E; Alkers, W. G; Gimi-nera, J. L (Thrombos. Diathes. haemorrh. (Stuttg.), 1963)