IL2 and digestive system disorder: Vicente-Gutierrez Vicente-Gutierrez MM MM Ruiz Ruiz AD AD Extremera Extremera BG BG Garcia Garcia JMB JMB Gea Gea FG FG Low serum levels of alpha-interferon, gamma-interferon, and interleukin-2 in alcoholic cirrhosis Low serum levels of alpha-interferon, gamma-interferon, and interleukin-2 in alcoholic cirrhosis Digestive Disease Sciences Digestive Disease Sciences 36 36 1209 1209 1212 1212 1991 1991