| Literature DB >> 3644856 |
S W Perry, D E Cella, J Falkenberg, G Heidrich, C Goodwin.
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Year: 1987 PMID: 3644856 DOI: 10.1016/s0885-3924(87)80043-x
Source DB: PubMed Journal: J Pain Symptom Manage ISSN: 0885-3924 Impact factor: 3.612