000 00339nam a2200145Ia 4500
008 220613s9999||||xx |||||||||||||| ||und||
020 _a0049-8114
100 _axxx
245 0 _aWeekly Epidemiological Record
250 _a87(1-52) Jan-Dec 2012
260 _bWorld Health Organization
300 _a524
650 _aSPM
942 _cIJ
999 _c15524
_d15524