Danzhou people''s Hospital General surgery 571700;
The third people''s Hospital of Hainan Province General surgery 572000;
Danzhou people''s Hospital General surgery 571700;
Danzhou people''s Hospital General surgery 571700;
Danzhou people''s Hospital General surgery 571700;
Danzhou people''s Hospital General surgery 571700;
Danzhou people''s Hospital General surgery 571700;
Danzhou people''s Hospital General surgery 571700;
Ursodeoxycholicacid; Choledochoscope; Holmiumlaser; Bile duct stones; Clinical observation;