Virtanen, V. S. (1949). Tonsillectomy as treatment of acute peritonsillitis: With clinical and statistical observations.
Citace podle Chicago (17th ed.)Virtanen, Veli Seppo. Tonsillectomy as Treatment of Acute Peritonsillitis: With Clinical and Statistical Observations. Helsinki, 1949.
Citace podle MLA (8th ed.)Virtanen, Veli Seppo. Tonsillectomy as Treatment of Acute Peritonsillitis: With Clinical and Statistical Observations. 1949.
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