Iron uptake of Bacteroides fragilis in relation to virulence / Bernhard Robert OttoMixed intra-abdominal infections and abscess formation in the rat : a study of cellular host response and bacterial interactions / Willem Ronald VerweijBacteroides fragilis endotoxin and fetal growth retardation : experimental studies in the pregnant guinea pig / Ilse BeckmannBacteroides fragilis endotoxin and fetal growth retardation : experimental studies in the pregnant guinea pig / Ilse BeckmannIn-vitro and in-vivo efficacy of drugs against Bacteroides fragilis / Bernardus Arnoldus Cornelis Dijkmans