A novel polymorphism in glycoprotein IV (replacement of Proline-90 by serine) predominates in subjects with platelet GPIV deficiency - Kashiwagi, H; Honda, S; Tomiyama, Y; Mizutani, H; Take, H; Honda, Y; Kosugi, S; Kanayama, Y; Kurata, Y; Matsuzawa, Y (Thromb Haemost, 1993)