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Journal of the American Geriatrics Society > 62 > 8 > 1583 - 1589
Journal of Pain and Symptom Management > 1997 > 14 > 5 > 300-310
Journal of the American Geriatrics Society > 62 > 8 > 1583 - 1589
Journal of Pain and Symptom Management > 1997 > 14 > 5 > 300-310