Effect of vaccination on Bordetella pertussis strains, China.
Zhang L, Xu Y, Zhao J, Kallonen T, Cui S, Xu Y, Hou Q, Li F, Wang J, He Q, Zhang S.
Zhang L, et al. Among authors: he q.
Emerg Infect Dis. 2010 Nov;16(11):1695-701. doi: 10.3201/eid1611.100401.
Emerg Infect Dis. 2010.
PMID: 21029526
Free PMC article.