evidencegaps
Primary study · included by 1 review

Early biomarker response and patient preferences to oral and intramuscular vitamin B12 substitution in primary care: a randomised parallel-group trial.

Metaxas 2017 · Metaxas Corina, Mathis Deborah, Jeger Cyrill, et al. · Swiss medical weekly · 2017

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 Metaxas 2017 · Table 2; References

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

1 including review in total.