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协作组成员于1987年3月2日至7日在石家庄举行的会议上讨论了我国学生沙眼流行病学特点、防治进展;统一了临床和病理诊断标
At the meeting held in Shijiazhuang from March 2 to March 7, 1987, the members of the collaborative group discussed the epidemiological characteristics of trachoma in our country and the progress of prevention and treatment, and unified the clinical and pathological diagnostic criteria