Fragoso, Yara Dadalti, Regina Carvalho, Fernanda Ferrero, Darcya Maria Lourenço, and Erica Regina Paulino. 2003. “Crying As a Precipitating Factor for Migraine and Tension-Type Headache”. São Paulo Medical Journal 121 (1):31-33. https://periodicosapm.emnuvens.com.br/spmj/article/view/2567.