1. Helping—does it matter: the problems and prospects of mutual aid groups;Zola,1970
2. Life-style and health behavior;Bruhn,1988
3. A case for refocussing upstream: the political economy of illness;McKinlay,1979
4. Economic implications of workplace health promotion programs: review of the literature;Warner;J. occupat. Med.,1988
5. Preventive health services for the erderly: the growing consensus;Somers,1988