British Veterinary Journal · 1966 · 34 citations · 3 references
Veterinary MedicinePhysicsParturitionPhase ChangeParturition TimingSpontaneous Parturition
3
The Production and Marketing of Pigs
Jenna Nichols · Nature · 1949 · 21 citations
Fertility and animal-breeding.
F. H. A. Marshall, Jim Hammond · 1943 · 15 citations