Comparative Study
Complex regional pain syndromes in children and adolescents: regional and systemic signs and symptoms and hemodynamic response to tilt table testing.
Clin J Pain. 2006 May 1;22(4):399-406.
Clinical Trial
Plasma endothelin-1 levels in patients with complex regional pain syndrome.
Eur J Pain. 2004 Dec 1;8(6):533-8.
Multicenter Study
Complex regional pain syndrome: are the IASP diagnostic criteria valid and sufficiently comprehensive?
Pain. 1999 Nov 1; 83 (2): 211-9.