Delayed hypersensitivity responses: the effect of surgery.
D001662:Biliary Tract Surgical Procedures; D002763:Cholecystectomy; D003082:Colectomy; D005743:Gastrectomy; D006801:Humans; D006968:Hypersensitivity, Delayed; D008875:Middle Aged; D011183:Postoperative Complications / Q000276:immunology; D012882:Skin Tests; D013514:Surgical Procedures, Operative