000 00326nam a2200121Ia 4500
008 160509s9999 xx 000 0 und d
020 _a0043-9686
100 _aWHO Bulletin
245 _aWHO Bulletin : 1991 : Volume 69(1-3) : Shelf 23.3
260 _bWorld Health Organization
_c1991
300 _a420p.
650 _aWHO Bulletin
999 _c5134
_d5134