000 00310nam a2200109Ia 4500
008 220809s2012 xx 000 0 und d
041 _aeng
245 _aBulletin of the world health organisation,Vol-90,No-1-6,Jan-June,2012,
260 _c2012
520 _aBack Volume
650 _aCommunity Medicine (614.44)
999 _c165500
_d165500