translation.en: It's not just my work in amphibians, but similar work has been shown in fish in Europe, holes in the testes and absence of sperm in reptiles in a group from South America and in rats, an absence of sperm in the testicular tubules as well.
translation.zh: 并不只是两栖动物， 在欧洲我们看到鱼类， 在南美我们也发现爬行类和老鼠 都存在睾丸穿孔， 无精子的情况。