Key term: nasal congestion

Original article 2006;32(2):138-144   pdf
Changes in ocular and nasal signs and symptoms among air crew in relation to air humidification on intercontinental flights
Norbäck D, Lindgren T, Wieslander G
 
Original article 2000;26(6):514-522   pdf
Changes in the ocular and nasal signs and symptoms of aircrews in relation to the ban on smoking on intercontinental flights
Wieslander G, Lindgren T, Norbäck D, Venge P