000 00538nam a2200181Ia 4500
008 140128s9999 xx 000 0 und d
040 _besp Biblioteca CIESS
041 _aesp
082 _a362.10973 .E582h.d..290 .
100 _aE.U.A. Board of Trustees of the Federal Hospital Insurance -
245 _aLetter... transmitting the 1968 annual report the...
260 _aWashington
260 _bGovernment Printing Office
260 _c1968
300 _a32 p., 23 cm.
500 _a006968
650 _aAtención médica - EUA
999 _c4472
_d4472