Fig. 3From: The value of melatonin supplementation in postmenopausal women with Helicobacter pylori-associated dyspepsiaThe serum level of melatonin in healthy women (Group I), in women with asymptomatic H. pylori infection (Group II), and in women with both H. pylori infection and chronic dyspepsia (Group III); differences between groups I and II (p > 0.05), I and III (p < 0.001), II and III (p < 0.001)Back to article page