Cotton, P. B. (1993). Biliary endoprosthesis and common bile duct stones.
Dyfyniad Arddull ChicagoCotton, P B. Biliary Endoprosthesis and Common Bile Duct Stones. 1993.
Dyfyniad MLACotton, P B. Biliary Endoprosthesis and Common Bile Duct Stones. 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.