Incidence of activated protein C resistance caused by the ARG 506 GLN mutation in factor V in 113 unrelated symptomatic protein Cdeficient patients - Gandrille, S; Greengard, JS; Alhenc-Gelas, M; Juhan-Vague, I; Abgrall, JF; Jude, B; Griffin, JH; Aiach, M; French Network on behalf of INSERM (Blood, 1995)