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The similarities and differences between these two conditions are discussed in relation to the possible underlying defects at the molecular level and to the control of the gamma delta beta gene complex in general.<\/jats:p>","DOI":"10.1136\/jmg.14.4.237","type":"journal-article","created":{"date-parts":[[2008,11,10]],"date-time":"2008-11-10T14:50:51Z","timestamp":1226328651000},"page":"237-244","source":"Crossref","is-referenced-by-count":11,"title":["G gamma delta beta thalassaemia and g gamma HPFH (Hb Kenya type): comparison of 2 new cases."],"prefix":"10.1136","volume":"14","author":[{"given":"W G","family":"Wood","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J B","family":"Clegg","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D J","family":"Weatherall","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"O H","family":"Gyde","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D A","family":"Obeid","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M J","family":"Tarlow","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M J","family":"Brown","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S","family":"Hewitt","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[1977,8,1]]},"reference":[{"key":"ref_1","article-title":"Inheritance of F cell frequency in heterocellular hereditary persistence of fetal hemoglobin: allelic exclusion in heterozygotes and retention of adult hemoglobins in homozygotes","author":"Boyer, S.H.; Margolet, L.; Boyer, M.L.; Huisman, T.H.J.; Schroeder, W.A.; Wood, W.G.; Weatherall, D.J.; Clegg, J.B.; Cartner, R.","year":"1977","unstructured":"Boyer, S. 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