Fiatarone MA, O'Neill EF, Ryan ND, Clements KM, Solares GR, Nelson ME, Roberts SB, Kehayias JJ, Lipsitz LA, Evans WJ.
Exercise training and nutritional supplementation for physical frailty in very elderly people. N Engl J Med. 1994 Jun 23;330(25):1769-75
Mengiardi B, Schmid MR, Boos N, Pfirrmann CW, Brunner F, Elfering A, Hodler J. Fat content of lumbar paraspinal muscles in patients with chronic low back pain and in asymptomatic volunteers: quantification with MR spectroscopy. Radiology 2006; 240(3):786-792
Roche-Leboucher G, Petit-Lemanac'h A, Bontoux L, Dubus-Bausière V, Parot-Shinkel E, Fanello S, Penneau-Fontbonne D, Fouquet N, Legrand E, Roquelaure Y, Richard I. Multidisciplinary intensive functional restoration versus outpatient active physiotherapy in chronic low back pain. A randomized controlled trial. Spine (Phila Pa 1976). Spine 2011. 36(26):2235-2242. doi: 10.1097/BRS.0b013e3182191e13