Nirenberg SANormal and pathologic laughter in children . Clin Pediatr.1991;30:630-632.
2.
Chen R., Forster FMCursive and gelastic epilepsy. Neurology. 1973;23:1019-1029.
3.
Willems CA, Frias JLThe Angelman ("happy puppet") syndrome. Am J Med Genet.1982;11:453-460.
4.
Duchowny MSPathological disorders of laughter. In: McGhee PG, Goldstein JH, eds. Handbook of Humor Research. Vol II. New York, NYSpringer-Verlag;1983 :89-108.
5.
Williams M., Schutt W., Savage D.Epileptic laughter with precocious puberty. Arch Dis Child.1978;53:965-966.
6.
Sher PK, Brown SBGelastic epilepsy: onset in neonatal period. Am J Dis Child.1976;130:1126-1131.
7.
Chen R. Forster FMCursive and gelastic epilepsy. Neurology.1973;23:1019-1029.
8.
Martin JPFits of laughter (sham mirth) in organic cerebral disease. Brain.1950;73:453-464.