(en) T.P. Kannan; S. Hemlatha; R. Ankathil; B.A. Zilfalil (2009). Clinical manifestations in trisomy 9. Indian journal of pediatrics76 (7): 745–746. PMID19475342. DOI: 10.1007/s12098-009-0158-2.
(en) B.L. Loeys; H.C. Dietz; A.C. Braverman; B.L. Callewaert; J. De Backer; R.B. Devereux; Y. Hilhorst-Hofstee; G. Jondeau; L. Faivre; D.M. Milewicz; R.E. Pyeritz; P.D. Sponseller; P. Wordsworth; A.M. De Paepe (2010). The revised Ghent nosology for the Marfan syndrome. Journal of Medical Genetics47 (7): 476–485. PMID20591885. DOI: 10.1136/jmg.2009.072785.
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(en) T.P. Kannan; S. Hemlatha; R. Ankathil; B.A. Zilfalil (2009). Clinical manifestations in trisomy 9. Indian journal of pediatrics76 (7): 745–746. PMID19475342. DOI: 10.1007/s12098-009-0158-2.
(en) B.L. Loeys; H.C. Dietz; A.C. Braverman; B.L. Callewaert; J. De Backer; R.B. Devereux; Y. Hilhorst-Hofstee; G. Jondeau; L. Faivre; D.M. Milewicz; R.E. Pyeritz; P.D. Sponseller; P. Wordsworth; A.M. De Paepe (2010). The revised Ghent nosology for the Marfan syndrome. Journal of Medical Genetics47 (7): 476–485. PMID20591885. DOI: 10.1136/jmg.2009.072785.