BibTex format
@article{Tomassen:2011:10.1111/j.1398-9995.2010.02503.x,
author = {Tomassen, P and Newson, RB and Hoffmans, R and Lotvall, J and Cardell, LO and Gunnbjornsdottir, M and Thilsing, T and Matricardi, P and Kraemer, U and Makowska, JS and Brozek, G and Gjomarkaj, M and Howarth, P and Loureiro, C and Toskala, E and Fokkens, W and Bachert, C and Burney, P and Jarvis, D},
doi = {10.1111/j.1398-9995.2010.02503.x},
journal = {ALLERGY},
pages = {556--561},
title = {Reliability of EP3OS symptom criteria and nasal endoscopy in the assessment of chronic rhinosinusitis - a GA2LEN study},
url = {http://dx.doi.org/10.1111/j.1398-9995.2010.02503.x},
volume = {66},
year = {2011}
}