According to the results obtained by ELBA, we further used the PCR technique to conduct the controlled case study, which comprised 80 patients with PHC, 40 with malignant tumours without evidence of liver involvement, and 80 normal controls.

• 在ELISA的基础上,本文进一步应用PCR技术对广东地区80例PHC、40例非肝癌恶性肿瘤病人(对照组1)、80例正常人(对照组2)进行病例对照研究。