title: Studies of trace elements in childhood cirrhosis.
mesh_terms: D001660:Biliary Tract Diseases / Q000503:physiopathology; D001706:Biopsy; D002648:Child; D003300:Copper / Q000378:metabolism; D006197:Hair / Q000378:metabolism; D006801:Humans; D008103:Liver Cirrhosis / Q000503:physiopathology*; D009262:Nails / Q000378:metabolism; D014131:Trace Elements / Q000502:physiology*
chemical_list: D014131:Trace Elements; D003300:Copper