TY - JOUR A1 - Meyer, R. K. A1 - et al., T1 - Implantation and maintenace of pregnancy in progesteron-treated ovariectomized monkeys (Macaca mulatta) JF - C. R. Carpenter (Ed.) Recent Advances in Primatology, New York and Basel (S. Karger) 1969, pp. 30-35. Y1 - 1969 ER -