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Facial appearance of individuals with the 1q21.1 microdeletion. (a) Subject 1. (b) Subject 2. (c) Subject 2FATHER. (d) Subject 3. (e) Subject 5. (f) Subjects 8 and 8FATHER. (g) Subject 9. (h) Subject 11. (i) Subject 12. (j) Subject 12FATHER. (k) Subject 14. (l) Subject 14SIBLING. (m) Subject 15. (n) Subject 18. (o) Subject 19. (p) Subject 7. Frontal bossing, deep-set eyes and bulbous nose were frequently present.
