Hagberg B. 1985
Hagberg B. Rett syndrome: prevalence and impact on progressive and severe mental retardation in girls.//Acta Paediatr. Scand. 1985.74. P.405-408.
Hagberg B. Rett syndrome: prevalence and impact on progressive and severe mental retardation in girls.//Acta Paediatr. Scand. 1985.74. P.405-408.
