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APA-viite (7. p.)
Cohen, J. O. (1969). Effect of Culture Medium Composition and pH on the Production of M Protein and Proteinase by Group A Streptococci. J Bacteriol.
Chicago-viite (17. p.)
Cohen, Jay O. "Effect of Culture Medium Composition and PH on the Production of M Protein and Proteinase by Group A Streptococci." J Bacteriol 1969.
MLA-viite (9. p.)
Cohen, Jay O. "Effect of Culture Medium Composition and PH on the Production of M Protein and Proteinase by Group A Streptococci." J Bacteriol, 1969.
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