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- [8] ULTRASTRUCTURAL EVIDENCE FOR PLACENTAL-LACTOGEN TRANSPORT AND SECRETION IN RUMINANTS JOURNAL OF PHYSIOLOGY-LONDON, 1987, 386 : P26 - P26
- [10] PRESENCE OF PLACENTAL-LACTOGEN IN BOVINE CONCEPTUSES BEFORE ATTACHMENT JOURNAL OF REPRODUCTION AND FERTILITY, 1979, 56 (01): : 305 - 308