title: Commentary: medical direction for out-of-hospital emergency medical services.
authors.affiliation: Iowa Department of Public Health Bureau of Emergency Medical Services, Des Moines, IA, USA.
authors.forename: Timothy D
authors.initials: TD
authors.lastname: Peterson
mesh_terms: D001291:Attitude of Health Personnel; D004632:Emergency Medical Services / Q000458:organization & administration* / Q000592:standards; D004635:Emergency Medicine / Q000193:education; D017408:Guidelines as Topic; D006801:Humans; D010346:Patient Care Management / Q000458:organization & administration; D008486:Physician Executives; D014481:United States