Bias in observational study of the effectiveness of nasal corticosteroids in asthma
Suissa, Samy, Ernst, PierreVolume:
115
Language:
english
Journal:
Journal of Allergy and Clinical Immunology
DOI:
10.1016/j.jaci.2004.12.1118
Date:
April, 2005
File:
PDF, 136 KB
english, 2005