1. Fifty years after Flexner;Miller, H.G.;Lancet,1966
2. Faculty practice plans;Relman, A.S.;N EnglJr Med,1981
3. A practice plan in a municipal hospital;Schmidt, C.W.; Zieve, P.D.; D'Lugoff, B.C.;N Engl 7 Med,1981
4. Burch GE. Of 1910. Am HeartJ 1980;100:595-6.
5. Trends in human plague in the United States. J7 Infect;Kaufmann, A.F.; Boyce, J.M.; Martone, W.J.;Dis,1980