Bottle FeedingBreast FeedingInfant FoodInfant Nutritional Physiological PhenomenaInfant FormulaInfant, NewbornMilk, HumanDiarrhea, InfantileInfant, PrematureMilkInfant, Premature, DiseasesInfant CareInfant BehaviorInfant MortalitySudden Infant DeathInfant, Newborn, DiseasesInfant, Very Low Birth WeightInfant, Low Birth WeightInfant WelfareInfant, Extremely Low Birth WeightPregnancyChild DevelopmentGestational AgeAnimal FeedInfant, Extremely PrematureInfant, Small for Gestational AgeBirth WeightDietBody WeightIntensive Care Units, NeonatalCryingMothersWeight GainInfant Nutrition DisordersRespiratory Distress Syndrome, NewbornBronchopulmonary DysplasiaInfectious Disease Transmission, VerticalAnimal Nutritional Physiological PhenomenaDietary ProteinsIntensive Care, NeonatalGrowthDevelopmental DisabilitiesRandom AllocationIncubators, InfantDietary SupplementsDietary FatsInfant EquipmentEatingEnterocolitis, NecrotizingDigestionTime FactorsFecesLiverSucking BehaviorMother-Child RelationsMaternal BehaviorProspective StudiesFood, FortifiedTerm BirthRetinopathy of PrematurityApneaWeaningPregnancy Complications, InfectiousSwineLactationNeonatal ScreeningProne Position