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病情及采样区的自然概况病情的材料,来源于我组地学同志和广大贫下中农、各级干部、赤脚医生、医务工作者座谈访问。部分材料是依据有关单位历年的普查材料。从调查材料来看,陕西省克山病主要分布在渭北高原暖温带森林草原—黑垆土地带,是本省克山病主要流行地区。而以黄龙山至劳山、乔山至麟游山两条低中山丘陵地带病情为最重。在陕北延安地区以南丘陵沟壑区的低中山稍林区也较严重。采样区,克山病患病率以黄龙腰险公社马蹄掌大队马蹄掌小队为最高,达15—20
The disease and the natural status of the sampling area of the disease material, from my group of geography comrades and the vast majority of poor peasants and middle peasants, cadres at all levels, barefoot doctors, medical workers to discuss the visit. Some of the materials are based on census materials of the relevant units over the calendar year. According to the survey materials, Keshan disease in Shaanxi Province is mainly distributed in warm temperate forest steppe-Helan land in the Weibei Plateau and is the main epidemic area of Keshan disease in this province. However, Huanglongshan to Laoshan, Qiaoshan to Linyou Mountain two hilly areas as the most serious. In the north of Yanan in northern Shaanxi hilly and gully area of the lower mountain slightly forest area is also more serious. Sampling area, the prevalence of Keshan disease to Huanglongxian commune horseshoe palm brigade palm claw palm team as the highest, up to 15-20