[…] rabbit test was soon replaced with the frog test. The African clawed frog would have urine injected into it, too. If the frog produced e...

Comment on 10 Crazy Facts About Urine That Will Make You Squirm by Top 10 Crazy Ways Of Detecting Disease – Khu Phim

[…] rabbit test was soon replaced with the frog test. The African clawed frog would have urine injected into it, too. If the frog produced eggs the next day, then the pregnancy test was […]



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