Objective he causes of both Keshan disease( KS D) and KaschinBeck disease(KBD) are unknown as yet, so, the role of fungi and their toxins in foods from the diseaedareas in both causes of KSD and KBD were investigated.

• 目的 克山病 (KSD)和大骨节病 (KBD)两病病因至今尚未明了 ,特调查病区粮食真菌及其毒素在两病病因中的作用。