Here are the two I found from Jama:
2010. p.32-6.
Scientific articles[edit]
- Starfield B. Primary Care and Health. A Cross-National Comparison. JAMA. 1991; 266:2268–71.
- Starfield B, Simpson L. Primary Care as Part of U.S. Health Services Reform. JAMA. 1993; 269:3136–9.