RT Journal Article SR Electronic T1 Over-the-counter medicines. JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 121 OP 122 VO 46 IS 403 A1 Erwin, J A1 Britten, N A1 Jones, R YR 1996 UL http://bjgp.org/content/46/403/121.2.abstract AB