Effect of a New Synergistic Combination of Low Doses of Acetylsalicylic Acid, Caffeine, Acetaminophen, and Chlorpheniramine in Acute Low Back Pain. - Voicu VA; Mircioiu C; Plesa C; Jinga M; Balaban V; Sandulovici R; Costache AM; Anuta V; Mircioiu I (Frontiers in pharmacology, 2019)