Immunohistochemical study of fibronectin (FN) was performed on the hearts of o cases of sudden manhood death syndromc (SMDS) and 11 cases of noncardiac death controls with LSAB-method.

• 本文应用免疫组化LSAB法首次对5例青壮年碎死综合征和11例非心性死亡对照组进行心肌细胞内纤维连接蛋白的研究。