1. Production, information costs and economic organisation;Alchian;American Economic Review,1972
2. Doctors' perceptions of pressure from patients for referral;Armstrong;British Medical Journal,1991
3. Contract law, social norms and inter-firm co-operation;Arrighetti;Cambridge Journal of Economics,1997
4. Analysing general practitioners' referral decisions II: Do high and low referrers differ in factors influencing their referral decisions?;Bailey;Family Practice,1994
5. What type of general practice do patients prefer. Exploration of practice characteristics influencing patient satisfaction;Baker;British Journal of General Practice,1995