title: The value of phase 4 clinical testing.
authors.forename: Gus J
authors.initials: GJ
authors.lastname: Vlahakes
mesh_terms: D000933:Antifibrinolytic Agents / Q000009:adverse effects*; D007611:Aprotinin / Q000009:adverse effects*; D006348:Cardiac Surgical Procedures; D017327:Clinical Trials, Phase IV as Topic; D006801:Humans; D019106:Postoperative Hemorrhage / Q000517:prevention & control
chemical_list: D000933:Antifibrinolytic Agents; D007611:Aprotinin