Isler B J.Irvin K M.NealS M.Moeller S J,Davis M E Examination of the relationship between the estrogen receptor gene and reproductive traits in swine 2002(9是什么意思_Isler B J.Irvin K M.NealS M.Moeller S J,Davis M E Examination of the relationship between the estrogen receptor gene and reproductive traits in swine 2002(9在线翻译_英语_读音_用法_例句