1. 1979' To assess the effectiveness of physician prescribed exercise programme with health education and self monitoring components;Reid; Morgan
2. MacKeen et;al 1985
3. King et al 1988' 6 mth Walking and To evaluate strategies for enhancing the jogging adoption and maintenance of exercise training by healthy middle aged men and women
4. Noland 1989"' 18 wk Walking, To assess effects of behavioural techniques jogging and on adherence
5. King, Haskell et al 1991