目的：探讨联合测定血清孕酮及CA125在预测先兆流产预后的价值。
Objective: Assess the value of combine serum progesterone and CA125 for forecast the outcome of threatened abortion.
目的：探讨联合测定血清与腹水肿瘤标志物对消化系恶性肿瘤的诊断价值。
Purpose: To evaluate the diagnostic value of the combined assay of tumor mark in serum and ascitic fluid to the alimentary system malignant neoplasm.
探讨了采用分光光度法对普通钢、低合金钢中的硅、磷、锰、铬进行联合测定。
A method for the joint determination of si, p, Mn, Cr in general and low alloy steels is discussed by means of spectrophotometry. The method is simple, rapid and easy to master.
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