title: Call for clinical trial participants.
authors.forename: L
authors.initials: L
authors.lastname: Broadfield
mesh_terms: D002986:Clinical Trials as Topic; D006801:Humans; D007263:Infusions, Parenteral; D009294:Narcotics / Q000008:administration & dosage* / Q000627:therapeutic use; D009864:Ontario
chemical_list: D009294:Narcotics