title: RELATION OF LITTER SIZE AND OTHER FACTORS TO THE DURATION OF GESTATION IN THE PIG.
mesh_terms: D000818:Animals; D001835:Body Weight; D005260:Female; D005313:Fetal Death; D006801:Humans; D008098:Litter Size; D011247:Pregnancy; D011270:Pregnancy, Animal; D012106:Research; D013552:Swine
keywords: BODY WEIGHT; EXPERIMENTAL LAB STUDY; FETAL DEATH; PREGNANCY; PREGNANCY, ANIMAL; SWINE