MacropodidaeDipodomysKangaroo-Mother Care MethodInfant CareMarsupialiaNeonatal NursingClinical Nursing ResearchPotoroidaeHeelCryingInfant BehaviorIntensive Care, NeonatalChenopodiumAnimals, ZooAnalog-Digital ConversionInfant, PrematureHyaline CartilageRodentiaInfant, NewbornTouchNursing Evaluation ResearchMother-Child RelationsLocomotionInfant, Low Birth WeightBlood Specimen CollectionInfant, Premature, DiseasesAustraliaSpecies SpecificityNursing AssessmentPain ManagementGastrointestinal ContentsAnalgesiaAnimals, WildBody ConstitutionHindlimbRespirationInsulin-Like Growth Factor IINeckTendonsMammalsBody TemperatureChild DevelopmentBreast FeedingPainPhylogenyBiological EvolutionPain MeasurementAnalysis of VarianceGestational AgeMolecular Sequence DataAmino Acid SequenceEvolution, MolecularBase Sequence