Pancreatic DiseasesGallbladderGallbladder NeoplasmsGallbladder DiseasesPancreatitisGallbladder EmptyingPancreatic Function TestsPancreatic JuicePancreatitis, ChronicPancreasPancreatic NeoplasmsCholecystitisBiliary Tract Diseasespara-AminobenzoatesAmylasesPancreatic DuctsPancreatitis, AlcoholicPancreas, Exocrine4-Aminobenzoic AcidPancreatic CystCholecystectomyPanniculitisSecretinCA-19-9 AntigenClinical Enzyme TestsSphincter of OddiIsoamylaseCholangiopancreatography, Endoscopic RetrogradeCholecystographyCholelithiasisAminobenzoatesChronic DiseaseCholangiographyExocrine Pancreatic InsufficiencyPancreatectomyEndosonographyImino AcidsPancreatic PseudocystTrypsinogenGallstonesUltrasonographyDuodenumCarcinoma, Pancreatic DuctalAmpulla of VaterAcute DiseaseLipaseTrypsinCholecystolithiasisTechnetium Tc 99m DisofeninBileCholecystectomy, LaparoscopicBicarbonatesCholecystitis, AcuteCystic DuctCholecystokininAdenocarcinomaPolypsTomography, X-Ray ComputedCystic Fibrosis Transmembrane Conductance RegulatorAcalculous CholecystitisTechnetium Tc 99m LidofeninCystic FibrosisTumor Markers, BiologicalRetrospective StudiesCommon Bile DuctBiliary Tract NeoplasmsAlcoholismBiliary TractNecturusBiliary DyskinesiaSensitivity and SpecificityCase-Control Studies