Zygote. 2000 Feb;8(1):57-68., ]! G1 k8 H- D; T; L8 I
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Apoptosis in the early bovine embryo.& W2 e7 Q2 u0 m) V, q, S: C/ P
Matwee C, Betts DH, King WA./ Y" v! G) X( j3 Q5 G9 g
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Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph, Canada8 L- ^$ F" h& _
http://www.ncbi.nlm.nih.gov/pubmed/10840875