evidencegaps
Primary study · included by 1 review

Oral vitamin B12 therapy in vitamin B12 deficiency.

Roth 2004 · Roth Mark, Orija Israel · The American journal of medicine · 2004

Included by

Efficacy of sublingual and oral vitamin B12 versus intramuscular administration: insights from a systematic review and meta-analysis.
Non-Cochrane · intervention · 2025 · cited as Roth 2004 · Table 2; References

The review does not say which of its outcomes this study informs.

1 including review in total.