title: A comparative evaluation of four oral nasal decongestants.
mesh_terms: D000700:Analgesics / Q000627:therapeutic use; D006634:Histamine H1 Antagonists / Q000627:therapeutic use; D006801:Humans; D012141:Respiratory Tract Infections / Q000188:drug therapy*; D012220:Rhinitis / Q000188:drug therapy*
chemical_list: D000700:Analgesics; D006634:Histamine H1 Antagonists