@conference{772bbd1d6e7843c39ad415919bcfc2a0,
title = "Lower and Upper Bounds on the Correlation between Treatment and Instrumental Variable Limit the Applicability of the Method",
keywords = "Farmacie/Biofarmaceutische wetenschappen (FARM), Epidemiology, Farmacie(FARM), Biomedische technologie en medicijnen, Ziekenhuisstructuur en organisatie van de gezondheidszorg, Public Health",
author = "E.P. Martens and W.R. Pestman and {de Boer}, A. and S. Belitser and O.H. Klungel",
year = "2005",
language = "Undefined/Unknown",
pages = "S40",
note = "Unknown event ; Conference date: 01-01-2009",
}