Vitamin B 12 status in infancy and the effect of a vitamin B 12 injection in infants with subclinical vitamin B 12 deficiency: study protocol for a register-based randomised controlled trial.
Kjersti Sletten BakkenIngrid KvestadSol Maja Graasvold BjørkevollBeate Stokke SolvikSiri KaldenbachLaurence DyerMads Nikolaj Holten-AndersenElisabeth ErsværKonijnenberg CarolienTor Arne StrandPublished in: BMJ open (2023)
NCT05005897.