2Findlay JWA, Fowle ASE, Butz RF, et at.Comparative disposition of codeine and pholcodine in man after single oral doses.Br J Clin Pbarmac,1986,22 (1):61- 71.
3Jaffe G,Grimshaw J].Randomised single-blind trial in general practice comparing the efficacy and palatability of two cough linctus preparations, Pholcolix and Actifed compound in children with acute cough.Curr Med Res Opin,1983,8:594-599.
1Jaffe G,Grimshaw JJ.Randomised single-blind trial in general practice comparing the eficacy and palatability of two cough linctus preparations,Pholcolix and Actifed compound in children with acute cough[J].Curr Med Res Opin,1983,8:594-599.