Zeichner, J.A., Harper, J.C., Roberts, W.E. and al., E. 2018. Novel Tretinoin 0.05% lotion for the once-daily treatment of moderate-to-severe acne vulgaris: Assessment of safety and tolerability in subgroups. SKIN The Journal of Cutaneous Medicine. 2, (Dec. 2018), S59. DOI:https://doi.org/10.25251/skin.2.supp.59.