@article{article654de488,
title   = {Cluster headache: report of seven cases in three families},
author = {Bordini, Carlos Alberto and Arruda, Marco Antônio Arruda and Ciciarelli, Marcelo and Daripa, Mandira and Coelho, Juliana Martins and Speciali, José Geraldo},
year = {1997},
journal   = {Functional Neurology}
}