The oestrous cycle and gestation period in the lactating field vole, Microtus agrestis.
D000818:Animals; D003411:Arvicolinae; D030762:Estrous Cycle; D004971:Estrus; D005260:Female; D006801:Humans; D007774:Lactation / Q000502:physiology*; D008597:Menstrual Cycle; D011247:Pregnancy / Q000502:physiology
ESTRUS CYCLE; LACTATION/physiology; PREGNANCY/physiology