000 00239nam a22000857a 4500
008 221125b ||||| |||| 00| 0 eng d
050 _aRC180.1
_b.P65 1997
245 _aPolio: The Beginning of the End
_cDarey, Sheila
260 _bWHO
_aGeneva
_cc1997
999 _c8325
_d8325