Influence of primiparous age and litter number on the appearance of mammary tumor in mice.
D000230:Adenocarcinoma; D000818:Animals; D001947:Breeding; D005260:Female; D006801:Humans; D008325:Mammary Neoplasms, Experimental; D008423:Maternal Age; D051379:Mice; D011247:Pregnancy; D011270:Pregnancy, Animal; D012376:Rodent Diseases