Cattle
Pregnancy
Ovulation
Insemination, Artificial
Ovulation Induction
Random Allocation
Gonadotropin-Releasing Hormone
Dinoprost
Progesterone
Estrus Synchronization
Lactation
Time Factors
Pregnancy Rates
Reproduction
Postpartum Period
Pregnancy Outcomes
Dairying
Fertility
Ovarian Follicles
Abortion, Veterinary
Co-Publications
17
9
6
5
4
3
2
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