Type 2M von Willebrand disease: F606I and I662F mutations in the glycoprotein Ib binding domain selectively impair ristocetin- but not botrocetin-mediated binding of von Willebrand factor to platelets - Hillery, CA; Mancuso, DJ; Sadler, JE; Ponder, JW; Jozwiak, MA; Christopherson, PA; Gill, JC; Scott, JP; Montgomery, RR (Blood, 1998)