PancreatitisCholangiopancreatography, Endoscopic RetrogradeAcute DiseasePancreatitis, ChronicPancreatitis, Acute NecrotizingPancreatitis, AlcoholicCeruletideAmylasesPancreasTrypsinogenPancreatic DuctsPancreatic PseudocystPancreatic DiseasesPancreas, ExocrineLipasePancreatic Function TestsAcinar CellsHyperamylasemiaGallstonesCholangiopancreatography, Magnetic ResonanceSphincterotomy, EndoscopicPancreatic JuicePancreatic NeoplasmsTaurocholic AcidChronic DiseaseAbdominal PainCholelithiasisGabexate