evidencegaps
Primary study · included by 1 review

High prevalence of vitamin D insufficiency in patients with head and neck cancer at diagnosis.

Orell-Kotikangas 2012 · Orell-Kotikangas Helena, Schwab Ursula, Österlund Pia, et al. · Head & neck · 2012

Included by

Vitamin D status in patients with oral leukoplakia and oral squamous cell carcinoma: a systematic review and meta-analysis.
Non-Cochrane · aetiology · 2026 · cited as Orell-Kotikangas 2012 · Table 1; references

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

1 including review in total.