@article{664f933c517747309299017d305a1e52,
title = "Short and long term variability of the interrupter technique under field and standerdised condition in 3-6 year old children",
keywords = "Diergeneeskunde (DGNK)",
author = "R.M.J. Beelen and H.A. Smit and \{van Strien\}, R.T. and L.P. Koopman and J.E. Brussee and B. Brunekreef and W.B.M. Gerritsen and P.J.F.M. Merkus",
year = "2003",
language = "Undefined/Unknown",
volume = "58",
pages = "761--764",
journal = "Thorax",
issn = "0040-6376",
publisher = "BMJ Publishing Group",
}