Studies on the chemical nature of the substance inducing transformation of pneumococcal types. Inductions of transformation by a desoxyribonucleic acid fraction isolated from pneumococcus type III

对诱导肺炎球菌类型转化的物质的化学性质的研究。从肺炎球菌III型中分离的脱氧核糖核酸组分诱导转化。