Figure 3From: Maturation of gastric electrical activity, gastric emptying and intestinal permeability in preterm newborns during the first month of lifeIntestinal permeability pattern as determined by urinary excretion of orally administered lactulose (a), mannitol (b), and L/M ratio (c) respectively. L/M ratio persistently and significantly reduces after day 3 (see text). Data are means ± SEM.Back to article page