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An Unbiased View of david hoffmeister

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Several other marginally later on Chinese authors complain that lots of inoculators wouldn't expose their tricks. Because of this, it is hard to establish what exactly was taking place and when it had begun in China. Among Needham's texts experiences that variolation was first practised concerning 1567 and 1572, Which https://www.youtube.com/watch?v=EfdHvxtLM-Y

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