89
Clifford S, Dissanayake C, Bui QM, Huggins RM, Taylor AK, Loesch DZ (2007) Autism
Spectrum phenotype in males and females with fragile X full mutation and permutation. J
Autism Dev Disord 37: 738-747
Cohen S, Zhou Z, Greenberg ME (2008) Activing a repressor. Science, vol 320: 1172-73, May
30.
Crawford DC, Meadows KL, Newman JL, Taft LF, Scott E, Leslie M, Shubek L, Holmgreen P,
Yeargin-Allsopp M, Boyle C, Sherman SL (2002) Prevalence of the fragile X syndrome in
African-Americans. Am J Med Genet 110:226-33
Curry CJ, Stevenson RE, Aughton D, Byrne J, Carey JC, Cassidy S, Cunniff C, Graham JM Jr,
Jones MC, Kaback MM, Moeschler J, Schaefer GB, Schwartz S, Tarleton J, Opitz J (1997)
Evaluation of mental retardation: recommendations of a Consensus Conference: American
College of Medical Genetics. Am J Med Genet 72:468-77
de Vries BB, van den Ouweland AM, Mohkamsing S, Duivenvoorden HJ, Mol E, Gelsema K,
van Rijn M, Halley DJ, Sandkuijl LA, Oostra BA, Tibben A, Niermeijer MF (1997) Screening and
diagnosis for the fragile X syndrome among the mentally retarded: an epidemiological and
psychological survey. Collaborative Fragile X Study Group. Am J Hum Genet 61:660-7
Deth R, Muratore C, Benzecry J, Power-Charnitsky V, Waly M (2008) How environmental and
genetic fators combine to cause autism: A redox/methylation hypotesis. Neurotoxicology 29:
190-201.
Eskes TK (1997) Folate and the fetus. Eur J Obst Gynecol Rep Biol 71(2): 105-111.
Estécio M. Fett-Conte AC, Varella-Garcia M, Fridman C, Silva A.E (2002) Molecular and
cytogenetic analyses on Brazilian youths with pervasive developmental disorders. J Autism
Dev Disord 32:35-41