A polymorphism in the 5' untranslated region of the human ob gene is associated with lower leptin levels in morbid obesity K. Clément, J. Hager, S. Francke, C. Dina, J Raison, N. Lahlou, A. Basdevant, P. Froguel and B. Guy-Grand Reprod. Nutr. Dev., 38 2 (1998) 194-195 DOI: 10.1051/rnd:19980218