PT - JOURNAL ARTICLE AU - Harris, Tess AU - Cook, Derek G AU - Victor, Christina AU - Beighton, Carole AU - DeWilde, Stephen AU - Carey, Iain TI - Linking questionnaires to primary care records: factors affecting consent in older people AID - 10.1136/jech.2004.025296 DP - 2005 Apr 01 TA - Journal of Epidemiology and Community Health PG - 336--338 VI - 59 IP - 4 4099 - http://jech.bmj.com/content/59/4/336.short 4100 - http://jech.bmj.com/content/59/4/336.full SO - J Epidemiol Community Health2005 Apr 01; 59