Del BeneE. (1982): Multiple aspects of headache risk in children. In: CritchleyM. (Ed.): Advances in Neurology, vol. 33, Raven Press, New York, 187–198.
2.
GianutsosR., Klitzner (1981): Computer programs for cognitive rehabilitation.Life Sciences Asso ciates, New York.
3.
GuidettiV., OttavianoS., PagliariniM. (1984): Childhood headache risk: warning signs and symptoms present during the first six months of life. Cephalalgia, 4: 237–242.