Author:
Nelson Katja,Nahles Susanne,Flügge Tabea,Stimmelmayr Michael,Schweiger Josef,Edelhoff Daniel,Beuer Florian
Reference131 articles.
1. Ackerman MB, Ackerman JL. Smile analysis and design in the digital era. J Clin Orthod. 2002;36(4):221–36.
2. Ekman P, Davidson RJ, Friesen WV. The Duchenne smile: emotional expression and brain physiology. II. J Pers Soc Psychol. 1990;58(2):342–53.
3. Kinsella K, He W. US Census Bureau, international population reports. Washington: US Census Bureau; 2009.
4. Centers for Disease Control. The CDC health brain initiative: progress 2006–2011. National Center for Chronic Disease Prevention and Health Promotion Retrieved October 9th, 2011.
5. Iblher N, Kloepper J, Penna V, Bartholomae JP, Stark GB. Changes in the aging upper lip--a photomorphometric and MRI-based study (on a quest to find the right rejuvenation approach). J Plast Reconstr Aesthet Surg. 2008;61(10):1170–6.