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.