AIM To directly visualize Helicobacter pylori(H.pylori)by the highly sensitive and specific technique of immunohistochemical staining in colonic tissue from pat
BACKGROUND Alopecia areata is a hair loss disease associated with genetics,autoimmunity,and other factors.There is an intriguing link between alopecia areata an
AIM To investigate the main current etiologies of cirrhosis in Mexico.METHODS We performed a cross-sectional retrospective multicenter study that included eight