Enterocolitis, PseudomembranousEnterocolitisEnterocolitis, NecrotizingClostridium difficileTracheitisClostridium InfectionsEnterocolitis, NeutropenicClostridiumClindamycinCephradineBacterial ToxinsLincomycinDiarrheaEnterotoxinsInfant, Premature, DiseasesFecesCecumMouth DiseasesCytotoxinsVancomycinIntestinal MucosaInfant, PrematureInfant, NewbornCandidiasis, OralColonAnti-Bacterial AgentsMetronidazoleColonoscopyFatal OutcomeCronobacter sakazakiiMesocricetusInfant, Very Low Birth WeightEnteral NutritionHirschsprung DiseaseBacterial ProteinsEnterocytesIntestinal PerforationInfant FormulaInfant, Newborn, DiseasesIntestinesInfant, Extremely Low Birth WeightCricetinaePostoperative ComplicationsFeeding MethodsIntensive Care Units, NeonatalProbioticsEnterostomyMilk, HumanColitis, LymphocyticCronobacterIleumGestational AgeDysbiosisBifidobacteriumAnimals, NewbornIntestine, SmallParenteral NutritionInfant Nutritional Physiological PhenomenaAsphyxiaMilk BanksMucin-3Ductus Arteriosus, Patent