Não informado. (1971). IARC Scientific Publications. International Agency for Research on Cancer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. IARC Scientific Publications. Lyon, França: International Agency for Research on Cancer, 1971.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. IARC Scientific Publications. International Agency for Research on Cancer, 1971.
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