evidencegaps
Primary study · included by 1 review

Vitamin B12 absorption test and oral treatment in 14 children with selective vitamin B12 malabsorption.

Altay 1999 · Altay C, Cetin M · Pediatric hematology and oncology · 1999

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 Altay 1999 · Table 2; References

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

1 including review in total.