3Gans HA,Yasukawa LL,Alderson A,et al. T cell immunity to mea-sles vital proteins in infants and adults after measles immunization[J]. Viral Imm,2004,17(2) :298 -307.
4Ehresmann KR, Crouch N, Henry PM, et al An outbreak of measlesamong unvaccinated young adults and measles seroprevalence study :implications for measles outbreak control in adult populations[ J]. JInfect Dis,2004,189(Suppl 1) :S104 -107.
5Wang PL, Zhao XQ, Du WL, et al. In hospital medical complications associated with patient dependency a{ter acute ischemic stroke:data from the China National Stroke Registry [J]. Chin Med J ( English version), 2013, 126 (7) : 225-228. DOI:10. 3760/cma.j.issn.0366-6999. 20122573.
6Torres A, EI-Ebiary M. Bronchoscopic BAL in the diagnosis of ventilator-associated pneumonia [J]. Chest, 2000, 174 (4 Suppl 2) : 198S-202S. DOI: 10. 3760/cma. j. issn. 0578-1426. 2011.03. 004.
7Hilker R, Poetter C, Findeisen N, et al. Nosocomial pneumonia after acute stroke: implications for neurological intensive care medicine. [J]. Stroke, 2013, 34 (4): 589-591. DOI:10. 1161/01.STR.0000063373. 70993.CD.