ELP1 and Behcet disease: Pup plasma vitamin B12 levels were lower (p<0.01 for all) in all the treatment groups i.e. FD (504.75±96.02 pg/mL), BD (104.25±28.72 pg/mL), FDO (622.00±103.87 pg/mL) and BDO (91.88±13.46 pg/mL) as compared to the control group (846.63±208.10 pg/mL).