000 00260 a2200109 4500
005 20220610094053.0
022 _a0043 96
245 _aJournal of Bulletin of the World health organization
260 _aGeneva
_bWHO
_c1985
490 _vVol. 63
942 _2lcc
_cCR
999 _c28842
_d28842