MeconiumMeconium Aspiration SyndromeLungLung DiseasesLung NeoplasmsInfant, NewbornIleusLung InjuryIntestinal ObstructionCarcinoma, Non-Small-Cell LungAmniotic FluidLung TransplantationAcute Lung InjuryPregnancyIleal DiseasesMaternal-Fetal ExchangeCystic FibrosisFetal DistressSubstance Abuse DetectionEnzyme Multiplied Immunoassay Technique