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The similarity to the age distributions of chromosomal aberrations and some mutation defects suggests some genetic implication. The findings thus favour a biological rather than environmental element in the aetiology.<\/jats:p>","DOI":"10.1017\/s002193200001172x","type":"journal-article","created":{"date-parts":[[2008,7,31]],"date-time":"2008-07-31T12:16:39Z","timestamp":1217506599000},"page":"255-261","source":"Crossref","is-referenced-by-count":18,"title":["Parental age and parity in dyslexic boys"],"prefix":"10.1017","volume":"10","author":[{"given":"R.","family":"Jayasekara","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J.","family":"Street","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"56","published-online":{"date-parts":[[2008,7,31]]},"reference":[{"key":"S002193200001172X_ref034","first-page":"380","article-title":"Congenital word-blindness and its treatment","volume":"3","author":"Thomas","year":"1905","journal-title":"Ophthalmoscope"},{"key":"S002193200001172X_ref032","volume-title":"Psychology in Teaching Reading","author":"Smith","year":"1961"},{"key":"S002193200001172X_ref028","first-page":"363","article-title":"A research approach to reading retardation","volume":"34","author":"Rabinovitch","year":"1954","journal-title":"Proc. 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