000 00424ngc a22001334a 4500
001 012856
008 040428s2002 sz eng u
082 0 _a614.47
_bW551
245 0 0 _aWHO vaccine - preventable diseases :
_b monitoring system. 2002 global summary /
_cDepartment of Vaccines and Biologicals
260 _aGinebra, Sui. :
_bOMS,
_c2002.
300 _a1 disco compacto
650 4 _aVACUNACIÓN - monitoreo
942 _cVM
999 _c16424
_d16424