Thawatchai Tullavardhana. (2015) Critical View of Safety: A Safe Method to Prevent Bile Duct Injury from Laparoscopic Cholecystectomy. <i>Journal of Medicine and Health Sciences</i>, <i>22</i>(1), 49-57.Thawatchai Tullavardhana. "Critical View of Safety: A Safe Method to Prevent Bile Duct Injury from Laparoscopic Cholecystectomy". Journal of Medicine and Health Sciences 22 (2015):49-57.Thawatchai Tullavardhana. Critical View of Safety: A Safe Method to Prevent Bile Duct Injury from Laparoscopic Cholecystectomy. Faculty of Medicine,Srinakharinwirot University:ม.ป.ท. 2015.