Jindal, S KKashyap, SMalik, S K1985-10-012009-05-271985-10-012009-05-271985-10-01Jindal SK, Kashyap S, Malik SK. Airway response to methacholine inhalation in asymptomatic male smokers. The Indian Journal of Chest Diseases & Allied Sciences. 1985 Oct-Dec; 27(4): 225-9http://imsear.searo.who.int/handle/123456789/30134engAdultBronchi --drug effectsEpithelium --drug effectsForced Expiratory VolumeHumansMaleMethacholine Compounds --adverse effectsSmokingAirway response to methacholine inhalation in asymptomatic male smokers.Journal Article