title: Work stress of firemen as measured by heart rate and catecholamine.
mesh_terms: D000328:Adult; D001143:Arousal / Q000502:physiology*; D002395:Catecholamines / Q000652:urine; D005390:Fires / Q000517:prevention & control*; D006339:Heart Rate; D006801:Humans; D008297:Male
chemical_list: D002395:Catecholamines