Percent body fat, skinfold thickness or body mass index for defining obesity or overweight, as a risk factor for asthma in schoolchildren: Which one to use in epidemiological studies?

1. Garcia-Marcos, L.
2. Valverde-Molina, J.
3. Castaños Ortega, M.L.
4. Sanchez-Solis, M.
5. Martinez-Torres, A.E.
6. Castro-Rodríguez, J.A.