Citations
Everyone should be vaccinated to prevent smallpox 人人種痘，預防天花, 1952-05, GBR/1928/NRI/NRI2/8/4/6/2/14, Box NRI2/8/4/6/2/14. Needham Research Institute. |
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Everyone should be vaccinated to prevent smallpox 人人種痘，預防天花, 1952-05, GBR/1928/NRI/NRI2/8/4/6/2/14, Box NRI2/8/4/6/2/14. Needham Research Institute. https://archivesearch.lib.cam.ac.uk/repositories/21/archival_objects/1484861 Accessed February 19, 2025. |