PT - JOURNAL ARTICLE AU - Jones, Lyn TI - Consumer and market research in health care AID - 10.1136/jech.43.3.307 DP - 1989 Sep 01 TA - Journal of Epidemiology and Community Health PG - 307--307 VI - 43 IP - 3 4099 - http://jech.bmj.com/content/43/3/307.short 4100 - http://jech.bmj.com/content/43/3/307.full SO - J Epidemiol Community Health1989 Sep 01; 43