APA Citation

Perkins, R. G., & Pay, G. O. (1903). Streptococcus Pyogenes in Variola.

Citação norma Chicago

Perkins, Roger G., and George O. Pay. Streptococcus Pyogenes in Variola. 1903.

MLA Citation

Perkins, Roger G., and George O. Pay. Streptococcus Pyogenes in Variola. 1903.

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