Dyfyniad APA

Francis, T., Salk, J. E., Pearson, H. E., & Brown, P. N. (1945). PROTECTIVE EFFECT OF VACCINATION AGAINST INDUCED INFLUENZA A.

Dyfyniad Arddull Chicago

Francis, Thomas, Jonas E. Salk, Harold E. Pearson, and Philip N. Brown. PROTECTIVE EFFECT OF VACCINATION AGAINST INDUCED INFLUENZA A. 1945.

Dyfyniad MLA

Francis, Thomas, Jonas E. Salk, Harold E. Pearson, and Philip N. Brown. PROTECTIVE EFFECT OF VACCINATION AGAINST INDUCED INFLUENZA A. 1945.

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