| Literature DB >> 21406571 |
George Demiris, Elaine Wittenberg-Lyles, Debra Parker Oliver, Karla Washington.
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Year: 2011 PMID: 21406571 PMCID: PMC4442794 DOI: 10.1177/0269216310380765
Source DB: PubMed Journal: Palliat Med ISSN: 0269-2163 Impact factor: 4.762