01055naa a2200277 a 450000100080000000500110000800800410001910000200006024501140008026000090019452002640020365000180046765000100048565000170049565000100051265000120052265000190053465000150055365000170056865000170058565300210060270000180062370000160064170000150065777301050067215212712025-06-08       1972    bl uuuu     u00u1 u    #d1 aTHORBURN, G. D.  aEndocrine interactions responsible for the initiation of labour in the sheep and goat.h[electronic resource]  c1972  aThese observations suggest that contractions typical of first stage labour are initiated by the changing oestrogen or oestrogen: progesterone influence operating on the myometrium. The steroids may act through the agency of locally synthesized prostaglandins.  aEndocrinology  aGoats  aReproduction  aSheep  aCaprino  aEndocrinologia  aFisiologia  aObstetrícia  aReprodução  aHormônio sexual1 aCURRIE, W. B.1 aWONG, M. S.1 aCOX, R. I.  tProceedings of the Australian Physiological and Pharmacological Societygv. 3, n. 2, p. 27-28, 1972.