Chimaeric mice with disruption of the gene coding for phosphatidylinositol glycan class A (Pig-a) were defective in embryogenesis and spermatogenesis. - Lin, Shu-Rung; Yu, I-Shing; Huang, Pei-Hsin; Tsai, Chan-Wu; Lin, Shu-Wha (British Journal of Haematology, 2000)