000			00300nam a2200109Ia 4500
008			220809s2012 xx 000 0 und d
041			_aeng
245			_aEMHJ world health organization,Vol-18,No-1-6,Jan-April,2012,
260			_c2012
520			_aBack Volume
650			_aCommunity Medicine (614.44)
999			_c165504 _d165504