State practice variation in the use of tube feeding for nursing home residents with severe cognitive impairment.
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D000368:Aged; D003072:Cognition Disorders / Q000628:therapy*; D004750:Enteral Nutrition / Q000706:statistics & numerical data*; D006291:Health Policy; D006801:Humans; D009735:Nursing Homes; D018579:Patient Selection; D010818:Practice Patterns, Physicians' / Q000706:statistics & numerical data*; D012307:Risk Factors; D014481:United States