Effect of inhaled endotoxin on induced sputum in normal, atopic, and atopic asthmatic subjects
Julia A Nightingale, Duncan F Rogers, Lorraine A Hart, Sergei A Kharitonov, K Fan Chung, Peter J Barnes
Thorax Jul 1998, 53 (7) 563-571; DOI: 10.1136/thx.53.7.563