| Sepideh S FarivarAffiliation: Amgen Inc Country: USA Correlated physical and mental health summary scores for the SF-36 and SF-12 Health Survey, V.ISepideh S Farivar Global Health Economics, Amgen, Inc, Thousand Oaks, CA, USA Health Qual Life Outcomes 5:54. 2007 Approaches and recommendations for estimating minimally important differences for health-related quality of life measuresRon D Hays School of Public Health, Division of Health Services, UCLA, Los Angeles, California 90095 1736, USA COPD 2:63-7. 2005
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