1. Out-patient serices in the NHS;Office, National Audit,1991
2. Referral to medical out-patients departments at teaching hospitals in Birmingham and Amsterdam;Hull, F.M.; Westerman, R.F.;BMJ,1986
3. Outpatients and their doctors. A study of patients, potential patients, general practitioners and hospital doctors;Cartwright, A.; Windsor, J.,1993
4. Outpatient clinic referrals and their outcome;Sullivan, F.M.; Hoare, T.; Gilmour, H.;BrJ Gen Pract,1992
5. Thorogood MA. A community study of diabetes in Oxfordshire. R Coil Gen Pract;Dornan, C.; Fowler, G.; Mann, J.I.; Markus, A.,1983