Patients suspected to have vitamin B12 deficiency defined as a plasma vitamin B12 below the reference interval (<200 pmol/L). 

NCT00279552_inc_T1
Condition
vitamin B12 deficiency
NCT00279552_inc_T2
Mood
suspected
NCT00279552_inc_T3
Measurement
plasma vitamin B12
NCT00279552_inc_T4
Value
below the reference interval
NCT00279552_inc_T5
Value
<200 pmol/L