CoughWhooping CoughAntitussive AgentsInfant, NewbornCapsaicinCitric AcidShaken Baby SyndromeCodeineReflexRespiratory SoundsExpectorantsPregnancyInfant CareBronchitisInfant, PrematureChronic DiseaseBordetella pertussisAsthmaInfant, Newborn, DiseasesRespiratory Tract DiseasesNasal DecongestantsRespiration DisordersNurseries, HospitalCommon ColdRespiratory Tract InfectionsGuaifenesinSputumBronchial Provocation TestsBirth WeightAdministration, InhalationGestational AgeInfant, Low Birth WeightGastroesophageal Reflux