血清肿瘤标志物均为阴性。
同时设立生理盐水血清作为阴性对照。
Meanwhile, the serum contained normal saline was set as negative control.
乙型肝炎血清全部阴性。
健康兔血清作阴性血清对照。
The blood of a healthy rabbit was taken as negative control serum.
健康兔血清作阴性血清对照。
The blood of a healthy rabbit was taken as negative control serum.
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