_:vb50937479 "A carbohydrate metabolism disorder that is characterized by abnormal accumulation or depletion of liver glycogen."^^ . _:vb50937479 . _:vb50937479 . _:vb50937479 . _:vb50937479 . _:vb50937479 . _:vb50937479 "url:http://en.wikipedia.org/wiki/Glycogen#Disorders_of_glycogen_metabolism"^^ .