No evidence of association between the serotonin 2A receptor -1438G/A promoter polymorphism and childhood obesity in a Spanish population: A case-parent study and a matched case-control study. - Santos, J. L.; Ochoa, M. C.; Patiño, A.; Azcona, C.; Martínez, J. A.; Marti, A. (Nutritional Neuroscience, 2005)