Anthropometric measurements of the facial framework in adulthood: age-related changes in eight age categories in 600 healthy white North Americans of European ancestry from 16 to 90 years of age - Farkas, L G; Eiben, O G; Sivkov, S; Tompson, B; Katic, M J; Forrest, C R (J Craniofac Surg, 2004)