A community-based, controlled study of the epidemiology and pathophysiology of dyspepsia Emma Janet Castillo, Michael Camilleri, G. Richard Locke, Duane D. Burton, Debra A. Stephens, Debra M. Geno, Alan R. Zinsmeister Clinical Gastroenterology and Hepatology Volume 2, Issue 11, Pages 985-996 (November 2004) DOI: 10.1016/S1542-3565(04)00454-9 Copyright © 2004 American Gastroenterological Association Terms and Conditions
Figure 1 Recruitment and participation flow chart for mailed MBDQ, GCRC appraisal, and physiologic studies. Note there are no appreciable differences in the nonparticipants relative to participants in sex, age, and somatic scores. Clinical Gastroenterology and Hepatology 2004 2, 985-996DOI: (10.1016/S1542-3565(04)00454-9) Copyright © 2004 American Gastroenterological Association Terms and Conditions