00405nam a2200145   45000010006000000050017000060080041000230350003000640410007000670500022000741100024000962450081001202600047002013000011002481612220230404125721.0060907n19uu    dr                  spa      aEN14aCD UNI COUNI 0007  aColumbia University1 aColumbia University    bulletin 2003-2005 :bmailman school of public health  a[s.l.] :bColumbia University,c[s.f.]      a125 p.