W. Kaewlamun, J. Suwimonteerabutr, T. Chaimee, P. Virakul, and M. Techakumphu, “Low Pregnancy Rate in Dairy Cattle after Fixed time Artificial Insemination using Norgestomet + PGF2α + eCG Program During the Hot and Humid Months in Thailand”, TJVM, vol. 38, no. 2, pp. 53–58, Jul. 2015.