000 00305nam a2200097Ia 4500
008 160509s9999 xx 000 0 und d
100 _aWorld Health Organization
245 _aTechnical Report Series : 1994 : No(840-848) : Shelf 22.3
260 _bThe Lancet Limited
_c1994
650 _aWorld Health Organization
999 _c6735
_d6735