title: Nursing care study: perforated gastric ulcer.
mesh_terms: D006801:Humans; D008297:Male; D008875:Middle Aged; D010439:Peptic Ulcer Perforation / Q000601:surgery*; D013527:Perioperative Nursing; D011182:Postoperative Care; D013276:Stomach Ulcer / Q000150:complications*