Performance characteristics of a combined hepatitis C virus core antigen and anti–hepatitis C virus antibody test in different patient groups oleh Jeng-Fu Yang, Ya-Yun Lin, Meng-Hsuan Hsieh, Chiu-Hung Tsai, Shu-Fen Liu, Ming-Lung Yu, Chia-Yen Dai, Jee-Fu Huang, Wen-Yi Lin, Zu-Yau Lin, Shinn-Chern Chen, Wan-Long Chuang