title: Efficiency of mating in C57BL/6J female mice as a function of age and previous parity.
mesh_terms: D000367:Age Factors; D000818:Animals; D005260:Female; D007314:Insemination; D051379:Mice; D008810:Mice, Inbred C57BL; D010298:Parity; D011247:Pregnancy; D011270:Pregnancy, Animal; D013223:Statistics as Topic