Secondary sex ratio in ten inbred strains of mice.
D000367:Age Factors; D000818:Animals; D000831:Animals, Newborn; D005260:Female; D006801:Humans; D008297:Male; D008423:Maternal Age; D051379:Mice; D008815:Mice, Inbred Strains; D012621:Seasons; D012744:Sex Ratio