000 00753 a2200205 4500
005 20250515195506.0
264 0 _c20100610
008 201006s 0 0 chi d
022 _a0253-9624
040 _aNLM
_beng
_cNLM
100 1 _aJiang, Qing-Wu
245 0 0 _a[Influenza A (H1N1) is not a novel disease].
_h[electronic resource]
260 _bZhonghua yu fang yi xue za zhi [Chinese journal of preventive medicine]
_cJul 2009
300 _a551-2 p.
_bdigital
500 _aPublication Type: Journal Article
650 0 4 _aHumans
650 0 4 _aInfluenza A Virus, H1N1 Subtype
650 0 4 _aInfluenza, Human
_xepidemiology
773 0 _tZhonghua yu fang yi xue za zhi [Chinese journal of preventive medicine]
_gvol. 43
_gno. 7
_gp. 551-2
999 _c19337302
_d19337302