Split face comparative study for efficacy of microneedling alone versus microneedling combined with vitamin c in treating facial acne scars. International Journal of Biomedical Research, [S. l.], v. 8, n. 11, p. 598–604, 2017. DOI: 10.7439/ijbr.v8i11.4445. Disponível em: https://ssjournals.co.in/index.php/ijbr/article/view/4445. Acesso em: 17 feb. 2026.