title: [CRST syndrome and chronic agressive hepatitis AB-Ag negative].
mesh_terms: D002908:Chronic Disease; D003937:Diagnosis, Differential; D005260:Female; D006505:Hepatitis / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D008875:Middle Aged; D012595:Scleroderma, Systemic / Q000150:complications* / Q000175:diagnosis
vernacular_title: Síndrome CRST y hepatitis crónica agresiva HB-Ag negativa