The "vertical response time": barriers to ambulance response in an urban area.
Silverman RA, Galea S, Blaney S, Freese J, Prezant DJ, Park R, Pahk R, Caron D, Yoon S, Epstein J, Richmond NJ.
Acad Emerg Med. 2007 Sep;14(9):772-8. Epub 2007 Jun 29.PMID: 17601996 [PubMed - indexed for MEDLINE]Related articles