005340000a22002050004500017001200000100004100012102000700053215002300060606001800083005001700101101000800118200006700126010001800193701002100211001000600232675001500238675000800253210004800261700001900309  a0002430  a20080402d        kk   frey50          aUS  a495 p.cil.d22 cm  aEpidemiologia20251209142836.00 aeng1 aEpidemiologyebeyond the basicsfMoyses SzklogF. Javier Nieto  a0-7637-4722-X 1aNietobF. Javier87442  a616-036.22  aEPI  aBostoncJones and Bartlett Publishersd2004 1aSzklobMoyses