APA

Youssef A., van der Flier M., Estevão S., Hartwig N. G., van der Ley P. & Virji M. (20091117). Opa+ and Opa- isolates of Neisseria meningitidis and Neisseria gonorrhoeae induce sustained proliferative responses in human CD4+ T cells. : Infection and immunity.

Chicago

Youssef Abdel-Rahman, van der Flier Michiel, Estevão Silvia, Hartwig Nico G, van der Ley Peter and Virji Mumtaz. 20091117. Opa+ and Opa- isolates of Neisseria meningitidis and Neisseria gonorrhoeae induce sustained proliferative responses in human CD4+ T cells. : Infection and immunity.

Harvard

Youssef A., van der Flier M., Estevão S., Hartwig N. G., van der Ley P. and Virji M. (20091117). Opa+ and Opa- isolates of Neisseria meningitidis and Neisseria gonorrhoeae induce sustained proliferative responses in human CD4+ T cells. : Infection and immunity.

MLA

Youssef Abdel-Rahman, van der Flier Michiel, Estevão Silvia, Hartwig Nico G, van der Ley Peter and Virji Mumtaz. Opa+ and Opa- isolates of Neisseria meningitidis and Neisseria gonorrhoeae induce sustained proliferative responses in human CD4+ T cells. : Infection and immunity. 20091117.