论文部分内容阅读
英国皇家医师协会(1976)的研究表明,饮用防龋韵水氟浓度对人群无副作用。Kin-len 和 Doll(1981)和 Hmso二氏(1985)的流行病学调查也未发现氟化饮水与癌死亡率之间存在相关。可是,使用果蝇和哺乳动物
Research by the Royal Society of Physicians (1976) shows that fluorine concentrations in drinking-water against dental caries have no side effects on the population. Epidemiological investigations by Kin-len and Doll (1981) and Hmso’s (1985) also found no association between fluoridated water and cancer mortality. However, fruit flies and mammals are used