BOTTOMLEY, W W; CUNLIFFE, W J. Severe flares of acne following isotretinoin: large closed comedones (macrocomedones) are a risk factor. Acta Dermato-Venereologica, [S. l.], v. 73, n. 1, p. 74, 1993. DOI: 10.2340/000155557374. Disponível em: https://medicaljournalssweden.se/actadv/article/view/16472. Acesso em: 26 may. 2026.