自从１９３５年冬在黑龙江省克山县发现一种病死率极高的心肌病后，因原因不明即开始了病因研究工作，至今提出的病因学说有数十种之多，但一种病因学说的建立，必须通过流行病学、临床学和基础医学的验证。根据大量的现场调查和实验分析，多数学说已被淘汰，当前我国学者... Since the winter of 1935 in Keshan County, Heilongjiang Province found a case of extremely high mortality of cardiomyopathy, due to unexplained that is the cause of the disease began to study, the etiology has so far put forward dozens of theories, but a theory of etiology Established, must pass epidemiological, clinical and basic medical verification. According to a large number of field surveys and experimental analysis, most theories have been eliminated, the current Chinese scholars ...