3Miquel J, Carmen C, Luis V, et al . Genetic epidemiology of cholesterol cholelithiasis among Chilean, Hispanics, Amerindians, and Moris[J]. Gastroenterology, 1998,115:937
4Jungst D, Lang T, yon Ritter C, et al . Cholesterol nucleation time in gallbladder bile of patients with solitary or multiple cholesterol gallstones[J]. Hepatology, 1992,15(5) :804