Παραπομπή APA

Palmer, G. H., Bankhead, T., & Lukehart, S. A. (2009). “Nothing is permanent but change” -- Antigenic variation in persistent bacterial pathogens.

Παραπομπή Chicago Style

Palmer, Guy H., Troy Bankhead, και Sheila A. Lukehart. “Nothing Is Permanent but Change” -- Antigenic Variation in Persistent Bacterial Pathogens. 2009.

Παραπομπή MLA

Palmer, Guy H., Troy Bankhead, και Sheila A. Lukehart. “Nothing Is Permanent but Change” -- Antigenic Variation in Persistent Bacterial Pathogens. 2009.

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