Mohkamsing, S.

x syndrome syndrome parent individual parents /guardians study screening prevalence diagnosis patient /guardian group population retardation x patients genet table testing netherland sample female fmr 1 gene / 9 analysis turner family mutation result school percent questionnaire university level 35$$se dysmorphic features 09-02-97 feature ajhgal uc-ajhg carrier dna test cause rotterdam screening program program nonparticipating group response handicap genetic estimate nonconsenting hagerman blood parents / guardians oxford university press robinson h participant relative oostra pieretti m support x study group lancet dna analysis posttest motive implication university hospital dijkzigt /severe nonconsenter institutes robinson /severely examination range guardian method investigation research disorder