CholelithiasisCholecystectomyCholecystitisGallbladderCholecystographyGallstonesCholecystectomy, LaparoscopicGallbladder DiseasesResearchBileCholecystolithiasisCholedocholithiasisGallbladder NeoplasmsCystic DuctAnthracosilicosisCholangiographyOpiumBiliary FistulaTechnetium Tc 99m LidofeninBilirubinSitus InversusGilbert DiseaseBiliary Tract DiseasesCholangiopancreatography, Endoscopic RetrogradeResearch Support as TopicAnemia, Sickle CellSomatotypesBile Acids and SaltsCholangitisBiliary TractResearch DesignCzechoslovakiaEthics, ResearchCholangiopancreatography, Magnetic ResonanceResearch PersonnelPancreatitisBile Duct DiseasesCommon Bile DuctRetrospective StudiesBile Ducts, IntrahepaticIntestinal FistulaNursing ResearchGlucuronosyltransferaseUrsodeoxycholic AcidCholestasis, ExtrahepaticUltrasonographyCzech RepublicCholesterolHealth Services ResearchTranslational Medical ResearchCholestasisSphincterotomy, EndoscopicBile DuctsMice, Inbred AKRGenetic ResearchTreatment OutcomeLiver CirrhosisCase-Control StudiesRisk FactorsHyperparathyroidism, PrimaryHelicobacterSex Factorsbeta-ThalassemiaChenodeoxycholic AcidTracheostomy