Following randomization, creatinine measurements were taken at 2 weeks, 6 weeks, 4 months, and every 4 months thereafter.
Following randomization, creatinine measurements were taken at 2 weeks, 6 weeks, 4 months, and every 4 months thereafter.
遵循随机化原则，肌酐分别采取自2个星期，6个星期，4个月。