Inclusion and exclusion criteria of the articles searched.
|Inclusion criteria||Exclusion criteria|
|(1) Articles published in Chinese language on Chinese BCS patients.||(1) Articles not published in Chinese language or on non-Chinese patients.|
|(2) Researches in which primary BCS patients were studied or in which the most cases were constituted of primary BCS.||(2) Researches of patients with secondary BCS or articles of non-BCS researches, including hepatic veno-occlusive disease (recently renamed as sinusoidal obstruction syndrome), portal vein thrombosis, portal hypertension, cirrhosis, and other irrelevant studies.|
| ||(3) Other nonresearch articles, including news reports, editorials, notifications, biographies, conference abstracts, and continuing medical education quizzes.|
|BCS: Budd-Chiari syndrome.|