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1981年7月,我们在银川市大兴公社塔桥三队发现一家系4例患原发性夜盲症,现报告如下。一、家族史:保氏家系为回族,籍贯宁
In July 1981, we found a family of 4 patients with primary night blindness in the three teams of Tachai Bridge in Daxing commune, Yinchuan City. The report is as follows. First, the family history: family members of the Bao family Hui, Ji Ning home