RT Journal Article SR Electronic T1 Dihydrocodeine--drug of use or misuse? JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 404 OP 405 VO 51 IS 466 A1 A Seymour A1 M Black A1 J S Oliver A1 J Jay YR 2001 UL http://bjgp.org/content/51/466/404.2.abstract AB