@book{ Solr-317766, title = {Emergency medical services systems : program guidelines.}, series = {DHEW publication}, editor = {United States. Health Services Administration. Division of Emergency Medical Services}, editor = {DHEW publication}, address = {Hyattsville, MD : Washington}, publisher = {U.S. Dept. of Health, Education, and Welfare, Public Health Service, Health Services Administration, Bureau of Medical Services, Division of Emergency Medical Services ; for sale by the Supt. of Docs., U.S. Govt. Print Off.}, year = {1979}, edition = {Array}, pages = {138}, note = {Formerly HSA 75-2013.}, }