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Lindgren, Gunilla W.; Katoda, Hiroshi – American Journal on Mental Retardation, 1993
Comparison of growth rates and menarcheal age for groups of boys and girls, ages 6 to 15, in Tokyo (Japan) found that children with mental retardation had a smaller growth spurt during puberty but did not differ in maturational rate defined by age at pubertal height spurt or age at menarche. (Author/DB)
Descriptors: Body Height, Foreign Countries, Individual Development, Maturity (Individuals)
