Effect of genetic variation in the leptin gene promoter and the leptin receptor gene on obesity risk in a population-based case-control study in Spain

1. Portolés, O.
2. Sorlí, J.V.
3. Francés, F.
4. Coltell, O.
5. González, J.I.
6. Sáiz, C.
7. Corella, D.