Long-term tube feeding in the aged.
D000126:Achlorhydria / Q000209:etiology; D000368:Aged; D004750:Enteral Nutrition / Q000009:adverse effects; D004947:Esophagus / Q000033:anatomy & histology; D005260:Female; D006801:Humans; D007441:Intubation, Gastrointestinal; D013997:Time Factors