Figure 1. Individual serum activity of amylase and lipase in the 30 patients with acute Salmonella-related gastroenteritis (circles) and in the 30 healthy subjects (triangles). Open circles indicate patients with acute gastroenteritis due to Salmonella enterica serovar Typhimurium; filled circles indicate the patients with Salmonella enterica serovar Enteritidis infection. Horizontal dashed lines indicate the upper reference limits. Mean±SD values are also reported.