000 00316nam a2200097Ia 4500
008 160509s9999 xx 000 0 und d
245 _aWeekly Epidemiological Record: 1998-1999: Vol.73- 74(1-52): Shelf - Book Rack
260 _bWorld Health Organization
_c1999
300 _a830p.
650 _aWeekly Epidemiological Record
999 _c8511
_d8511