Bronchopulmonary DysplasiaInfant, PrematureInfant, NewbornInfant, Premature, DiseasesAspergillosis, Allergic BronchopulmonaryInfant, Very Low Birth WeightGestational AgeRespiratory Distress Syndrome, NewbornHyperoxiaInfant, Extremely Low Birth WeightInfant, Extremely PrematureIntensive Care Units, NeonatalPremature BirthIntensive Care, NeonatalRespiration, ArtificialUreaplasma InfectionsInfant, Low Birth WeightLungBronchopulmonary SequestrationOxygen Inhalation TherapyChorioamnionitisUreaplasma urealyticumPregnancyLeukomalacia, PeriventricularDevelopmental DisabilitiesSucking BehaviorRetinopathy of PrematurityApneaBirth WeightPulmonary SurfactantsFibrous Dysplasia of BoneInfant FoodInfant CareDuctus Arteriosus, PatentChild DevelopmentEnterocolitis, NecrotizingHyaline Membrane DiseaseAnimals, NewbornInfant MortalityRespiratory AspirationInfant BehaviorPulmonary AlveoliInfant, Newborn, DiseasesInfant Nutritional Physiological PhenomenaLung DiseasesApgar ScorePapioEctodermal DysplasiaInfant FormulaUreaplasmaLung InjuryBottle FeedingObstetric Labor, PrematureProspective StudiesBone Diseases, DevelopmentalTracheaCerebral PalsyTerm BirthMilk, HumanAmbroxolIntermittent Positive-Pressure VentilationContinuous Positive Airway PressureRetrospective StudiesAspergillus fumigatusPsychomotor DisordersDexamethasoneRisk FactorsFunctional Residual CapacityParenteral NutritionOxygenConsensus Development Conferences, NIH as TopicVentilator WeaningSuctionFollow-Up StudiesAdministration, InhalationTransducers, PressureMaximal Expiratory Flow RateGastrointestinal ContentsBronchoalveolar Lavage FluidInfant, Small for Gestational AgeUterine Cervical DysplasiaBronchial DiseasesTreatment OutcomeFetusFibromuscular DysplasiaPneumocytesTime FactorsSudden Infant DeathRespiratory Function TestsDisease Models, AnimalFatty AlcoholsFetal BloodCerebral HemorrhageRespirationCohort StudiesOsteochondrodysplasiasFetal Growth RetardationPortugalLogistic ModelsStatistics, Nonparametric