Liu, Xin, Deli Guo, Xiaoyan Li, Yaping Guo, and Wenjie Song. 2021. “Value of Combined Detection of PCA, ANCA, ASCA, AGA and ANA in Early Diagnosis of Gastrointestinal Diseases”. Pakistan Journal of Medical Sciences 38 (1). https://doi.org/10.12669/pjms.38.1.4682.