Authors : Choo EK; Center for Policy and Research in Emergency Medicine, Oregon Health and Science University, Portland, OR 97239, USA. Electronic address: .; Byington CL
Source:
Lancet (London, England) [Lancet] 2019 Feb 09; Vol. 393 (10171), pp. 499-502.Publisher: Elsevier Country of Publication: England NLM ID: 2985213R Publication Model: Print Cited Medium: Internet ISSN: 1474-547X (Electronic)
Source:
Headache [Headache] 2010 Jul; Vol. 50 (7), pp. 1115-25. Date of Electronic Publication: 2010 Apr 16.Publisher: Wiley Country of Publication: United States NLM ID: 2985091R Publication Model: Print-Electronic Cited Medium: Internet ISSN:
Source:
The Medical journal of Australia [Med J Aust] 1965 Jul 17; Vol. 2 (3), pp. 134-6.Publisher: Australasian Medical Publishing Co Country of Publication: Australia NLM ID: 0400714 Publication Model: Print Cited Medium: Print ISSN: