RT Book, Section A1 Katzung, Bertram G. A1 Kruidering-Hall, Marieke A1 Trevor, Anthony J. SR Print(0) ID 1179215817 T1 Sympathomimetics T2 Katzung & Trevor's Pharmacology: Examination & Board Review, 12e YR 2019 FD 2019 PB McGraw-Hill Education PP New York, NY SN 9781259641022 LK accesspharmacy.mhmedical.com/content.aspx?aid=1179215817 RD 2024/04/17 AB The sympathomimetics constitute a very important group of drugs used for cardiovascular, respiratory, and other conditions. They are readily divided into subgroups on the basis of their spectrum of action (α-, β-, or dopamine-receptor affinity) or mode of action (direct or indirect).