Não informado. (1931). Journal of Thoracic Surgery. American Association for Thoracic Surgery.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Thoracic Surgery. Saint Louis, Mo: American Association for Thoracic Surgery, 1931.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Thoracic Surgery. American Association for Thoracic Surgery, 1931.
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