Hepatocyte transplantation in a 4-year-old girl with peroxisomal biogenesis disease: technique, safety, and metabolic follow-upStimulation of secretory IgA and secretory component of immunoglobulins in small intestine of rats treated withSaccharomyces boulardiiToxin-antitoxin modules as bacterial metabolic stress managers.Stimulation of secretory IgA and secretory component of immunoglobulins in small intestine of rats treated with