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Facial features in alpha-mannosidosis in 18-month-old twins

Twins with alpha-mannosidosis aged 18 months. Note enlarged head, short neck, rounded eyebrows, saddle nose, and prominent forehead. (Source: Malm D, Nilssen O. Alpha-mannosidosis. Orphanet J Rare Dis 2008;3:21. Creative Commons Attribution License. http://creativecommons.org/licenses/by/2.0. Enlarged and edited by Douglas J Lanska MD MS MSPH.)

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