- Cohort profile: The Adventist Health Study-2 (AHS-2)Terry L Butler
School of Public Health, Loma Linda University, Loma Linda, California 9235, USA
Int J Epidemiol 37:260-5. 2008
- Recruiting blacks to the Adventist health study: Do follow-up phone calls increase response rates?La Shawnta Bell
Loma Linda University School of Public Health, Loma Linda, CA 92350, USA
Ann Epidemiol 15:667-72. 2005..To determine whether follow-up phone calls improve response rates to a long questionnaire among black and white subjects...