Low Back Pain
NEJM 344:363-370, Deyo,R.A. &Weinstein,J.N., 2001
Low Back Pain, In Clinical Symposia
The Ciba-Geigy Corporation, 1980, Vol. 32, pp. 2-35., Keim,H.A.,et al, 1980
Marfan's Syndrome
NEJM 301:273, Barr,M., 1979
Diagnosis of Severe Low-Back Pain
Hosp Med p. 133, March970., Stevens,J., 1970