Souza, H.F., C. Poggi, B., C. Elias, M. and Bravo, B.S.F. 2021. The Hand Rejuvenation with Calcium Hydroxyapatite Guided by Ultrasound. Journal of the Portuguese Society of Dermatology and Venereology. 79, 2 (Jun. 2021), 179-182. DOI:https://doi.org/10.29021/spdv.79.2.1200.