Gestation, thermoregulation, and metabolism in a viviparous snake, Vipera aspis: evidence for fecundity-independent costs.
D000818:Animals; D001831:Body Temperature; D001833:Body Temperature Regulation / Q000502:physiology*; D004463:Ecology; D005260:Female; D005298:Fertility / Q000502:physiology*; D005602:France; D010101:Oxygen Consumption / Q000502:physiology*; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000502:physiology*; D017819:Viperidae / Q000378:metabolism* / Q000502:physiology*