A genetic polymorphism of the peroxisome proliferator-activated receptor gamma gene influences plasma leptin levels in obese humans. - Meirhaeghe,A.; Fajas,L.; Helbecque,N.; Cottel,D.; Lebel,P.; Dallongeville,J.; Deeb,S.; Auwerx,J.; Amouyel,P. (Hum Mol Genet, 1998)