title: Intraspecies comparison of fetal growth.
mesh_terms: D000818:Animals; D001827:Body Height; D001835:Body Weight; D005314:Embryonic and Fetal Development; D005260:Female; D000882:Haplorhini; D008433:Mathematics; D011247:Pregnancy; D011270:Pregnancy, Animal; D013223:Statistics as Topic; D013552:Swine