L. T. Diemel, F. Cai, P. Anand, G. Warner, P. G. Kopelman, P. Fernyhough, D. R. Tomlinson,
Increased nerve growth factor mRNA in lateral calf skin biopsies from diabetic patients. Diabetic Medicine. ,vol. 16, pp. 113- 119 ,(1999) ,
10.1046/J.1464-5491.1999.00035.X