ORIGINAL ARTICLE Clinical and histological comparative outcomes after injections of poly-L-lactic acid and calcium hydroxyapatite in arms: A split side study Rosemarie Mazzuco MD, Cristiane Evangelista MD, Daniela Orso Gobbato MD, Luiz Mauricio de Almeida MD Review Int J Dermatol . 2022 Oct;61(10):1284-1288. doi: 10.1111/ijd.16229. Epub 2022 Apr 29. Evaluation of the biostimulatory effects and the level of neocollagenesis of dermal fillers: a review Sasha Haddad 1, Hassan Galadari 2, Anant Patil 3, Mohamad Goldust 4, Suhail Al Salam 2, Stefania Guida 5 Affiliations expand PMID: 35486036 DOI: 10.1111/ijd.16229