Primary study · included by 1 review

Chronic headache and comorbidities: a two-phase, population-based, cross-sectional study.

da Silva Jr 2010 · da Silva Ariovaldo, Costa Esther Coelho, Gomes João Bosco, et al. · Headache · 2010

Included by

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

1 including review in total.