Family history of mental retardation
fragile mental retardation 1 gene
fragile X mental retardation 1
Fragile X mental retardation protein
fragile X mental retardation protein FMRP
hereditary mental retardation
malformation Mental retardation
mental retardation
精神发育迟滞
精神发育不全
智力发育迟缓
智力迟钝
智力低下
才智迟钝
智能低下
智障
智力障碍
弱智儿童
智力落后
儿童
弱智
铅
智能不足
智能障碍
智力残疾
mild mental retardation
moderate mental retardation
motor mental retardation
non specific mental retardation
nonspecific mental retardation
non-specific mental retardation
nonsyndromic mental retardation
Primary mental retardation
Unspec mental retardation
Non-specific X-linked mental retardation MRX