Dyfyniad APA

van Doorn, L., Figueiredo, C., Sanna, R., Blaser, M. J., & Quint, W. G. V. (1999). Distinct Variants of Helicobacter pylori cagA Are Associated with vacA Subtypes. American Society for Microbiology.

Dyfyniad Arddull Chicago

van Doorn, Leen-Jan, Céu Figueiredo, Ricardo Sanna, Martin J. Blaser, and Wim G. V. Quint. Distinct Variants of Helicobacter Pylori CagA Are Associated With VacA Subtypes. American Society for Microbiology, 1999.

Dyfyniad MLA

van Doorn, Leen-Jan, et al. Distinct Variants of Helicobacter Pylori CagA Are Associated With VacA Subtypes. American Society for Microbiology, 1999.

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