[Pseudomembranous enterocolitis].
D004761:Enterocolitis, Pseudomembranous / Q000209:etiology*; D005743:Gastrectomy / Q000009:adverse effects*; D006801:Humans; D008875:Middle Aged; D011183:Postoperative Complications; D013203:Staphylococcal Infections / Q000209:etiology*