Bibliografia

• Blanchflower DG, Oswald AJ. Is well-being U-shaped over the life cycle? Soc Sci Med 2008 Apr; 66(8): 1733-49.

• Chou R, Huffman LH; Medications for acute and chronic low back pain: a review of the evidence for an American Pain Society/American College of Physicians clinical practice guideline. Ann Intern Med 2007 Oct 2; 147(7): 505-14.

• Raspe H, Hueppe A, Neuhauser H. Back pain, a communicable disease? Int J Epidemiol 2008 Feb; 37(1): 69-74.

• Urquhart D, Hoving JL, Assendelft WJJ et al. Antidepressants for non-specific low back pain. The Cochrane Library, 2008.