000 00314nam a2200133Ia 4500
008 200512s9999 xx 000 0 und d
082 _a614.44
100 _aPaho
245 0 _aVaccines;Preventing Diseases Protecting Health
250 _a-
260 _bAITBS
_c2005
440 _v-
650 _acommunity medicine
999 _c55693
_d55693