Dietrich, E Use of a progesterone enzymeimmunoassay to determine the optimal mating time in oestrous bitches. [electronic resource] - Journal of reproduction and fertility. Supplement 1993 - 524 p. digital Publication Type: Journal Article ISSN: 0449-3087 Subjects--Topical Terms: AnimalsBreeding--methodsDogs--bloodEnzyme-Linked Immunosorbent AssayEstrus--bloodFemaleProgesterone--blood