Conclusion The toxiceffect of fluorine on mouse incisor begins to show at early stage of its development, which is closely related with time and dose.
结论氟对小鼠切牙的毒性效应在其发育初始阶段即已产生影响，并与时间和剂量有密切关系。
2
Fluorouracil for implantation can elevate the local drug concentration, extend the time of effective drug concentration, reduce the general toxic and side-effect.