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按照省卫生防疫站的统一部署,我区于1985年至1986年开展了全区十二个县市地方性氟中毒(以下简称地氟病)调查。现将结果报告如下。基本情况惠阳地区共有十二个县市,人口7730779人。我区地处东径113°31′～116°15′,北纬22°30′～24°48′,位于广东省东南部(偏东);全区地势北高南低,地貌类型表现为中等山地、丘陵和山间小盒地相结合的特点,仅在东部沿海地带有少许平原,以及南部由冲积形成的东江
In accordance with the unified deployment of the Provincial Health and Epidemic Prevention Station, the district conducted a survey on endemic fluorosis (hereinafter referred to as “endemic fluorosis”) in 12 counties and cities in the whole province from 1985 to 1986. The results reported below. The basic situation Huiyang a total of 12 counties and cities, population 7730779 people. Located in the southeastern part of Guangdong Province (eastwards), our area is located in the east of 113 ° 31’116 ° 15 ’and latitude 22 ° 30’-24 ° 48’N. The combination of mountains, hills and small boxes in the mountains is characterized by a few plains only in the eastern coastal zone and the Dongjiang