van Niekerk, C H Progesterone concentration in the peripheral plasma of the mare during the oestrous cycle and early pregnancy. [electronic resource] - Journal of the South African Veterinary Association Dec 1973 - 363-73 p. digital Publication Type: Journal Article ISSN: 1019-9128 Subjects--Topical Terms: AnimalsBinding, CompetitiveChromatographyEstrusFemaleHorses--physiologyMethodsPregnancyPregnancy, AnimalProgesterone--bloodProtein BindingRadioimmunoassayTranscortinTritium