Pregnancy concurrent with lactation in the Mongolian gerbil (Meriones unguiculatus).
D000818:Animals; D005260:Female; D005298:Fertility; D005849:Gerbillinae / Q000502:physiology*; D007774:Lactation; D008098:Litter Size; D049590:Postpartum Period; D011247:Pregnancy; D011270:Pregnancy, Animal