But more recently, physicians began shifting their definition to one based on abnormal blood levels of creatinine, a normal byproduct of metabolism.
但最近，医生根据异常的血肌酐(一种正常代谢副产物)水平进行诊断。
The first trials of this medicine took place in 1899 when the company Hoffmann worked for began giving the medicine in powder form to physicians to use with patients.
1899年，该药品第一次进行实验，当时，霍夫曼供职的公司开始将该药以粉末形式提供给医师，让他们用于病人。
The first trails of this medicine took place in 1899, when the company Hoffmann worked for began distributing the medicine in powder form to physicians to use with patients.
当时霍夫曼 供职的公司开始将这种药以粉末形式分发给医 师，在病人身上使用。
The first trails of this medicine took place in 1899, when the company Hoffmann worked for began distributing the medicine in powder form to physicians to use with patients.
当时霍夫曼 供职的公司开始将这种药以粉末形式分发给医 师，在病人身上使用。
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