To investigate the change of serum prolactin(PRL) level in patients with oral cavity squamous cell carcinoma, serum PRL level in 79 normal person and 68 cases of patients was measured by RIA.

• 研究口腔鳞癌患者血清催乳素(PRL)水平的变化。采用RIA检测了79名健康者和68例口腔鳞癌患者血清PRL水平。