TY - BOOK AU - Klem,Margaret Coyne TI - Prepayment medical care organizations T2 - [United States] Social security board. Bureau of research and statistics. Bureau memorandum AV - HD7123 .A35 no. 55b U1 - 362.1 PY - 1945/// CY - Washington PB - U.S. Govt. Print. Off. KW - Medical economics KW - Societies, etc KW - Health insurance KW - United States KW - Directories KW - Hospitalization insurance KW - Medical service, Industrial ER -