Body growth and development of testes during the first two weeks of postnatal life as affected by the size of the litter.
D000818:Animals; D000831:Animals, Newborn; D001835:Body Weight; D005298:Fertility; D006128:Growth; D008297:Male; D009929:Organ Size; D051381:Rats; D013737:Testis / Q000033:anatomy & histology / Q000254:growth & development*