Kullak-Ublick, Gerd A No major effects of vitamin D3 (1,25 dihydroxyvitamin D3) on absorption and pharmacokinetics of folic acid and fexofenadine in healthy volunteers. [electronic resource] - European journal of clinical pharmacology Jul 2016 - 797-805 p. digital Publication Type: Clinical Trial; Journal Article ISSN: 1432-1041 Standard No.: 10.1007/s00228-016-2050-0 doi Subjects--Topical Terms: ATP Binding Cassette Transporter, Subfamily B, Member 1--geneticsAdministration, OralAdultDuodenum--drug effectsFemaleFolic Acid--bloodHealthy VolunteersHumansIntestinal Absorption--drug effectsMaleMultidrug Resistance-Associated Proteins--geneticsOrganic Anion Transporters--geneticsProton-Coupled Folate Transporter--geneticsRNA, Messenger--metabolismTerfenadine--analogs & derivativesVitamin D--analogs & derivativesYoung Adult