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The Zero Acceptance of Pain (ZAP) Quality Improvement Project: evaluation of pain severity, pain interference, global quality of life, and pain-related costs.
Fortner BV, Okon TA, Ashley J, Kepler G, Chavez J, Tauer K, Clements-Thompson M, Schwartzberg L, Demarco G, Houts AC. Fortner BV, et al. Among authors: schwartzberg l. J Pain Symptom Manage. 2003 Apr;25(4):334-43. doi: 10.1016/s0885-3924(02)00679-6. J Pain Symptom Manage. 2003. PMID: 12691685 Free article.
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