TY - GEN AU - Boev,R AU - Song,D AU - Bedenbaugh,A AU - Haeusler,J-M TI - Improving SAR symptoms with levocetirizine: evaluating active and placebo effects in pollen challenge vs. natural exposure studies SN - 1473-4877 PY - 2011///0401 KW - Adult KW - Aged KW - Bronchial Provocation Tests KW - Cetirizine KW - adverse effects KW - Double-Blind Method KW - Environmental Exposure KW - Female KW - Histamine H1 Antagonists, Non-Sedating KW - Humans KW - Male KW - Middle Aged KW - Placebo Effect KW - Pollen KW - Randomized Controlled Trials as Topic KW - statistics & numerical data KW - Rhinitis, Allergic, Seasonal KW - drug therapy N1 - Publication Type: Journal Article; Meta-Analysis; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1185/03007995.2010.537319 ER -