000 00627nam a2200217Ia 4500
001 003162
008 141222s9999 xx 000 0 und d
040 _aDB/INS
041 0 _aeng
084 _aWC515
084 _bU1d
245 1 0 _aConcepts and procedures for laboratory-bases influenza surveillance
245 1 0 _cU.S. Department of Health and Services, Public Health Service, Centers for Disease Control
260 _aWashington
260 _bOPS/OMS
260 _c1982
650 1 _aInfluenza
650 2 _aVigilancia epidemiológica
710 2 _aCenters for Disease Control
710 2 _aPublic Health Service
999 _c12585
_d12585