PT - JOURNAL ARTICLE AU - M Pringle TI - Advertising unleashed. DP - 1989 Jun 01 TA - The Journal of the Royal College of General Practitioners PG - 225--226 VI - 39 IP - 323 4099 - http://bjgp.org/content/39/323/225.short 4100 - http://bjgp.org/content/39/323/225.full SO - J R Coll Gen Pract1989 Jun 01; 39