张福杰指出，根据他们的研究，在治疗前6个月，患者的病死率较高。

Zhang Fujie pointed out that according to their research, in the first 6 months of treatment, patients with a higher mortality rate.

youdao

张福杰指出，根据他们的研究，在治疗前6个月，患者的病死率较高。

Zhang Fujie pointed out that according to their research, in the first 6 months of treatment, patients with a higher mortality rate.

youdao