Approximation to the secular tendency of the nutritional state and body composition of high school students, v region, Chile: 1985-2010

1. Arce, P.J.L.
2. Flores, A.A.A.
3. Lelievre, M.C.S.
4. Gutiérrez, O.B.G.
5. Marincovich, D.I.
6. de la Rosa, F.J.B.