A Multicenter Prospective Study on the Risk of Acquiring Liver Disease in Anti–Hepatitis C Virus Negative Patients Affected From Homozygous β-Thalassemia by Daniele Prati, Alberto Zanella, Elena Farma, Claudia De Mattei, Patrizia Bosoni, Manuela Zappa, Alessandra Picone, Fulvio Mozzi, Paolo Rebulla, Maria Domenica Cappellini, Jean-Pierre Allain, and Girolamo Sirchia Blood Volume 92(9):3460-3464 November 1, 1998 ©1998 by American Society of Hematology Three patients who developed moderate ALT increase followed by chronic liver dysfunction. Daniele Prati et al. Blood 1998;92:3460-3464 ©1998 by American Society of Hematology