1. Anonymous (1974) Morbidity studies from general practice: second National study 1970–71. Studies on Medical and Population Subjects, No. 26, HMSO, London.
2. Anonymous (1975) Acute sore throat-diagnosis and treatment in general practice. J. Roy. Col. Gen. Pract., 25, 126–32.
3. Duncan, A.H. (1973) The Livingston Project-the first five years. Scottish Health Service Studies No. 29, SHHD, Edinburgh.
4. Horder, J. and Horder E. (1954) Illness in general practice. Practitioner, 173, 177–87.
5. Howie, J.G.R. (1973) A new look at respiratory illness in general practice. J. Roy. Col. Gen. Pract., 23, 895–904.