Não informado. Vaccination inquirer and health review. National Anti-Vaccination League.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Vaccination Inquirer and Health Review. London: National Anti-Vaccination League.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Vaccination Inquirer and Health Review. National Anti-Vaccination League.
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