Heat-killed Type IS Live mouse Live mouse Living Type R Live mouse Transformation experiment with capsule Live mouse pneumonia Living Type lIS bacteria recovered 肺炎球菌感染小e Living Type lIS 鼠实验 上 Capsul Dead mouse Living Type IIS Heat killed Type lIS bacteria recovered Living Type IR Live mouse Dead mouseTransformation experiment with pneumonia 肺炎球菌感染小 鼠实验