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- [4] PROGESTERONE PROFILES OF POSTPARTUM DAIRY-COWS AS AN AID TO DIAGNOSIS AND TREATMENT OF REPRODUCTIVE DISORDERS SOUTH AFRICAN JOURNAL OF ANIMAL SCIENCE-SUID-AFRIKAANSE TYDSKRIF VIR VEEKUNDE, 1990, 20 (04): : 155 - 160
- [9] COMBINED USE OF MILK PROGESTERONE PROFILES, CLINICAL EXAMINATION AND ESTRUS OBSERVATION FOR THE STUDY OF FERTILITY IN THE POSTPARTUM PERIOD OF DAIRY-COWS BRITISH VETERINARY JOURNAL, 1979, 135 (06): : 568 - 577