BACKGROUND Chronic hepatitis B is a highly heterogeneous disease that can be divided into four phases: Immune tolerant (IT), immune active (IA), inactive carrie
BACKGROUND The implementation of optical diagnosis(OD) of diminutive colorectal lesions in clinical practice has been hampered by differences in performance bet
BACKGROUND Porphyria is a rare disease with complex classification.Erythropoietic protoporphyria(EPP)is an autosomal recessively inherited disease,and most are
BACKGROUND Obstructed defecation syndrome(ODS) is a widespread disease in the world.Rectocele is the most common cause of ODS in females. Multiple procedures ha