00876cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035002000092040005100112042001200163043001200175050001600187082001000203100003500213245009700248260009400345300001800439650002200457650005300479710007300532999001700605sg 46000287 DLC20260227112750.0840518s1946    ilu           000 0 eng c  asg 46000287   a(OCoLC)10747984  aU. S. Surg.-Gen. Off. Libr.cMdU-HdMdU-HdDLC  apremarc  an-us---00aR723.5b.S5  a614.21 aSimpson, Herbert Downs,d1879-10aHealth protection,ba study of pre-payment medical service plans,cby Herbert D. Simpson ...  aChicago,bThe National Physicians' Committee for the Extension of Medical Servicec[1946]  a78 p.c28 cm. 0aHealth insurance. 0aHealth maintenance organizationszUnited States.2 aNational Physicians' Committee for the Extension of Medical Service.  c90855d90855