PT - JOURNAL ARTICLE AU - H Sandvik AU - S Hunskaar TI - Incontinence in women: different response rates may introduce bias in community studies of pad consumption. AID - 10.1136/jech.48.4.419 DP - 1994 Aug 01 TA - Journal of Epidemiology and Community Health PG - 419 VI - 48 IP - 4 4099 - http://jech.bmj.com/content/48/4/419.short 4100 - http://jech.bmj.com/content/48/4/419.full SO - J Epidemiol Community Health1994 Aug 01; 48