Dyfyniad APA

Pollard, A., Scheifele, D., & Rosenstein, N. (2001). Epidemiology of meningococcal disease in north america.

Dyfyniad Arddull Chicago

Pollard, A., D. Scheifele, and N. Rosenstein. Epidemiology of Meningococcal Disease in North America. 2001.

Dyfyniad MLA

Pollard, A., et al. Epidemiology of Meningococcal Disease in North America. 2001.

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