1989年6月29日～7月1日中国地方病防治研究中心在沈阳召开了编写《地方性氟中毒防治手册》和拟定“地方性氟中毒监测方案”研讨会。中国科学院卫生研究所所长、全国地方病专家咨询委员会委员,地氟病专题组组长曹守仁、副组长汤瑞琦及专家组成员防治研究中心顾问刘昌汉以及房德元处长等 From June 29 to July 1, 1989, the Chinese Center for Endemic Disease Control and Prevention held a symposium on the preparation of the Handbook on Prevention and Control of Local Fluorosis and the preparation of the “Local Monitoring Program for Fluorosis” in Shenyang. Director of Health Research Institute of Chinese Academy of Sciences, member of National Advisory Committee of Endemic Diseases Expert, Cao Shuren, leader of the dendritic fluorosis project team, Tang Ruiqi, deputy head of the group, and Liu Changhan, consultant of the expert group prevention and control research center, and Director Fang Deyuan