00519naa a2200181 a 450000100080000000500110000800800410001910000140006024500990007426000090017365000110018265000170019365000090021065000170021970000210023670000220025777300580027917970571999-06-18 1979 bl --- 0-- u #d1 aCORYN, M. aEstrous cycle, pregnancy and parturition in the mare, cow and sowbprogesterone and estrogens. c1979 acattle areproduction aGado aReprodução1 aSPINCEMAILLE, J.1 aVANDEPLASSCHE, M. tAnnales d'Endocronologiegv.40, n.5, p.511-512, 1979.