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M. Inbar-Feigenberg, N. Meirowitz, D. Nanda, A. Toi, N. Okun, D. Chitayat: Beals syndrome (congenital contractural arachnodactyly) - Prenatal Ultrasound Findings and Molecular analysis. In: Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology. [elektronische Veröffentlichung vor dem Druck] März 2014, ISSN1469-0705. doi:10.1002/uog.13350. PMID 24585410.
F. Hecht, R. K. Beals: "New" syndrome of congenital contractural arachnodactyly originally described by Marfan in 1896. In: Pediatrics. Band 49, Nummer 4, April 1972, S. 574–579, ISSN0031-4005. PMID 4552107.
M. Inbar-Feigenberg, N. Meirowitz, D. Nanda, A. Toi, N. Okun, D. Chitayat: Beals syndrome (congenital contractural arachnodactyly) - Prenatal Ultrasound Findings and Molecular analysis. In: Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology. [elektronische Veröffentlichung vor dem Druck] März 2014, ISSN1469-0705. doi:10.1002/uog.13350. PMID 24585410.