Pancreatic Function Testspara-AminobenzoatesPancreatitis, Chronic4-Aminobenzoic AcidPancreatitisAminobenzoatesExocrine Pancreatic InsufficiencyPancreatic DiseasesSecretinPancreasPancreatic JuicePancreatitis, AlcoholicPancreas, ExocrinePancreatic DuctsAmylasesCeruletidePancreaticojejunostomyPancreatitis, Acute NecrotizingChronic DiseasePancreatectomyPancreatic PseudocystLiver Function TestsCholecystokininPancreatic NeoplasmsCholangiopancreatography, Endoscopic RetrogradeAminosalicylic AcidIsoamylaseDuodenumTrypsinogenAcute DiseaseIntestinal SecretionsPancreatic PolypeptideClinical Enzyme TestsRespiratory Function TestsPostoperative ComplicationsPancreatic ElastaseCalculiLipaseBicarbonatesTrypsinCholangiopancreatography, Magnetic ResonanceSteatorrheaPancreatic Stellate CellsAbdominal PainChymotrypsinCystic FibrosisPancreatinThyroid Function TestsFecesDrainageAcinar CellsFollow-Up StudiesTrypsin Inhibitor, Kazal PancreaticTreatment Outcome