Cloning of the a chain of human platelet glycoprotein lb: A transmem- brane protein with homology to lcucinc-rich α2-glycoprotcin - Lopez, J A; Chung, D W; Fujikawa, K; Hagen, F S; Papayamiopoulou, T; Roth, G T (Proc Natl Acad Sci USA, 1987)