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Fifteen other patients with a ring chromosome 6 have been reported. The most frequent findings were mental retardation, prenatal and postnatal failure, epicanthal folds, fiat nasal bridge, short neck, apparently low\u2010set and\/or malformed ears, microphthalmia, and micrognathia. Studies of coagulation Factors XII and XIII and of the P blood group for possible assignment on distal 6p and 6q did not provide evidence for localization of the genes for these factors on the pter \u2192 p24 part of chromosome 6.<\/jats:p>","DOI":"10.1002\/ajmg.1320260122","type":"journal-article","created":{"date-parts":[[2005,6,12]],"date-time":"2005-06-12T02:45:18Z","timestamp":1118544318000},"page":"145-151","source":"Crossref","is-referenced-by-count":32,"title":["Ring chromosome 6: Report of a patient and literature review"],"prefix":"10.1002","volume":"26","author":[{"given":"D.","family":"Chitayat","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S. 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