title: Low-dose prednisone therapy in rheumatoid arthritis: effect on vitamin D metabolism.
mesh_terms: D015650:24,25-Dihydroxyvitamin D 3; D001172:Arthritis, Rheumatoid / Q000188:drug therapy* / Q000378:metabolism; D002112:Calcifediol / Q000097:blood; D002117:Calcitriol / Q000097:blood; D002986:Clinical Trials as Topic; D004100:Dihydroxycholecalciferols / Q000097:blood; D004311:Double-Blind Method; D006801:Humans; D008875:Middle Aged; D011241:Prednisone / Q000008:administration & dosage / Q000494:pharmacology*; D014807:Vitamin D / Q000378:metabolism*
chemical_list: D004100:Dihydroxycholecalciferols; D014807:Vitamin D; D015650:24,25-Dihydroxyvitamin D 3; D002117:Calcitriol; D002112:Calcifediol; D011241:Prednisone