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2. Immunoglobulin classes reactive with spermatozoa in the serum and seminal plasma of vasectomised and infertile men;Coombs,1973
3. The Mother Machine: Reproductive technologies from artificial insemination to artificial wombs;Corea,1985
4. A Matter of Life;Edwards,1980
5. Early stages of fertilization in vitro of human oocytes matured in vitro;Edwards;Nature,1969