title: Solving for (se)x.
authors.forename: Brigitta B
authors.initials: BB
authors.lastname: Gundersen
mesh_terms: D000818:Animals; D005260:Female; D007756:Laboratory Animal Science; D008297:Male; D051379:Mice; D051381:Rats; D012107:Research Design / Q000592:standards*; D012727:Sex Characteristics; D012744:Sex Ratio