The serum levels of luteinizing hormone (LH), testosterone (T), estradiol (E_2), and calcitonin (CT) of the 80 residents were determined using radioimmunity. 方法:测定高氟区和对照区的水氟、居民即刻尿氟含量,随机选择2地成年居民各40名,应用放免分析法测定其血清中促黄体生成素(LH)、睾酮(T)...