Search results for: Richard J. Siegert
Journal of Pain and Symptom Management > 2013 > 45 > 4 > 746-752
Journal of Clinical Epidemiology > 2012 > 65 > 4 > 434-443
Journal of Pain and Symptom Management > 2013 > 45 > 4 > 746-752
Journal of Clinical Epidemiology > 2012 > 65 > 4 > 434-443