Short and long term variability of the interrupter technique under field and standardised conditions in 3–6 year old children

Por Beelen, R, Smit, H, van Strien, R T, Koopman, L, Brussee, J, Brunekreef, B, Gerritsen, J, Merkus, P
Publicado em 2003

Early respiratory and skin symptoms in relation to ethnic background: the importance of socioeconomic status; the PIAMA study

Por Koopman, L, Wijga, A, Smit, H, de Jongste, J C, Kerkhof, M, Gerritsen, J, Vos, A, van Strien, R T, Brunekreef, B, Neijens, H
Publicado em 2002