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- [1] PLASMA PROGESTERONE LEVELS IN THE MARE DURING THE ESTROUS-CYCLE AND PREGNANCY JOURNAL OF THE SOUTH AFRICAN VETERINARY ASSOCIATION-TYDSKRIF VAN DIE SUID-AFRIKAANSE VETERINERE VERENIGING, 1981, 52 (03): : 181 - 185
- [2] DETERMINATION OF CORTISOL IN BLOOD-PLASMA OF SHEEP DURING THE ESTROUS-CYCLE AND PREGNANCY DEUTSCHE TIERARZTLICHE WOCHENSCHRIFT, 1988, 95 (09): : 374 - 376
- [6] ESTRADIOL LEVELS IN SHEEP PLASMA DURING ESTROUS-CYCLE JOURNAL OF REPRODUCTION AND FERTILITY, 1978, 53 (01): : 167 - 171
- [7] PLASMA ESTRADIOL 17-BETA AND PROGESTERONE LEVELS DURING THE ESTROUS-CYCLE IN HEIFERS PHYSIOLOGIA BOHEMOSLOVACA, 1981, 30 (02): : 171 - 171