并测定30名健康人的内皮素和一氧化氮值作为对照。
The endothelins and nitrogen monoxide of the 30 health people was detected as control.
目的：研究健康汉族青年唾液中一氧化氮(NO)含量正常参考值限，及其与口腔龋病、龈炎的关系。
AIM: To investigate the nitric oxide (no) level in saliva of healthy youths Han and the differences of no levels among the individuals with normal mouth, dental caries and gingivitis.
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