PDF] Measurement of the palpebral fissure and the vermilion border of the upper lip in newborns with gestational ages of 25 to 43 weeks. | Semantic Scholar
Elements of morphology: Standard terminology for the periorbital region - Hall - 2009 - American Journal of Medical Genetics Part A - Wiley Online Library
Figure 1 from Palpebral fissure length measurement: accuracy of the FAS facial photographic analysis software and inaccuracy of the ruler. | Semantic Scholar