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主题:就一帖子说说愤青与粪青的区别 -- 南云北望

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家园 人身攻击的时候就很有空?

The focus of the experiments was to

understand whether various chemicals, other than the ones then available, could

be used as a prophylaxis against syphilis after sexual exposure to the disease, to

try and see what caused false positive serologic tests for the disease, and to

demonstrate more fully when and how differing dosages of penicillin actually

cured infection.25

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