Não informado. (1949). Journal of the Faculty of Radiologists. Faculty of Radiologists.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the Faculty of Radiologists. Bristol, Inglaterra: Faculty of Radiologists, 1949.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the Faculty of Radiologists. Faculty of Radiologists, 1949.
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