Pichet Bunyongyod. (1990) High performance liquid chromatographic determination of conjugated bile acid in various types of gallstone bile. Mahidol University,:ม.ป.ท.Pichet Bunyongyod. 1990. High performance liquid chromatographic determination of conjugated bile acid in various types of gallstone bile. ม.ป.ท.:Mahidol University,;Pichet Bunyongyod. High performance liquid chromatographic determination of conjugated bile acid in various types of gallstone bile. ม.ป.ท.:Mahidol University, 1990. Print.