RT Book, Section A1 Schwinghammer, Terry L. A1 DiPiro, Joseph T. A1 Ellingrod, Vicki L. A1 DiPiro, Cecily V. SR Print(0) ID 1178896233 T1 Acne Vulgaris T2 Pharmacotherapy Handbook, 11e YR 2021 FD 2021 PB McGraw Hill PP New York, NY SN 9781260116694 LK accesspharmacy.mhmedical.com/content.aspx?aid=1178896233 RD 2024/04/16 AB Acne is a chronic skin disease characterized by open or closed comedones and inflammatory lesions, including papules, pustules, and nodules (cysts).