Shortell SM, Wickizer TM, Urban N, Williams SJ, Dowling WL. Evaluation of hospital-sponsored primary care group practice: a national demonstration. Ann N Y Acad Sci. 1982;387:69-89.
Shortell SM, Wickizer TM, Urban N, Williams SJ, Dowling WL. Evaluation of hospital-sponsored primary care group practice: a national demonstration. Ann N Y Acad Sci. 1982;387:69-89.