title: Effect of 4% carboxyhemoglobin on human performance in cardiac patients.
mesh_terms: D002248:Carbon Monoxide / Q000494:pharmacology*; D002263:Carboxyhemoglobin / Q000032:analysis*; D002318:Cardiovascular Diseases / Q000097:blood*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006454:Hemoglobins / Q000032:analysis*; D006801:Humans; D008875:Middle Aged; D011581:Psychological Tests; D011930:Reaction Time / Q000187:drug effects; D013998:Time Perception / Q000187:drug effects; D014796:Visual Perception / Q000187:drug effects
chemical_list: D006454:Hemoglobins; D002248:Carbon Monoxide; D002263:Carboxyhemoglobin