000 00284nam a2200097Ia 4500
008 220729s1992 xx 000 0 und d
041 _aeng
100 _aWHO
245 _aWork of who 1990-1991 biennial report of the director general
260 _aGeneva
_bWHO Regional Publications
_c1992
999 _c129328
_d129328