000 00405nam a22001457a 4500
999 _c20746
_d20746
008 201027b ||||| |||| 00| 0 eng d
020 _a927513040
082 _aWC555 P187p
110 _aPan American Health Organization
245 _aPolio Eradication
_bField Guide
250 _a2a ed.
260 _aWashington D.C.
_bPan American Health Organization
_c1994
300 _a77 Páginas
942 _2NML
_cMO