参考资料：
1.https://www.illinoistimes.com/springfield/blood-money/Content?oid=12399712
2.https://www.independent.co.uk/news/people/jeanclaude-duvalier-former-president-of-haiti-who-brutalised-his-opponents-and-was-prevented-from-returning-back-to-the-country-9776019.html
3.https://www.independent.co.uk/news/people/jeanclaude-duvalier-former-president-of-haiti-who-brutalised-his-opponents-and-was-prevented-from-returning-back-to-the-country-9776019.html
4.https://www.theguardian.com/world/2020/mar/25/mexico-us-uk-blood-plasma-donations-coronavirus
本文转载自地球知识局，作者克勒鸡
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