@article{doi:10.1001/jama.2011.994, author = {Chang HJ and Zuccotti G}, title = {FRontal headache}, journal = {JAMA}, volume = {306}, number = {3}, pages = {317-318}, year = {2011}, doi = {10.1001/jama.2011.994}, URL = { + http://dx.doi.org/10.1001/jama.2011.994}, eprint = {/data/Journals/JAMA/22458/jcg15003_317_318.pdf} }