2 -Pelkonen M,Notkola I.L,Lakka T,Tukiainen H.O,Kivinen P,Nissinen A .Delaying decline in pulmonary function with physical activity:A25- year follow-up, Am.j.Respir.Crit.Care.Med 2003;168:494-9
3-Ilkka J Helenius, Heikki O Tikkanen, Tari Haahtela.. Association between type of training and risk of asthma in elite athletes. J Thorax 1997; 52:157–160
4- Krafczyk MA, Asplund CA. Exercise- induced broncho – constriction : diagnosis and management . American Family physician 2011; 84(4): 427-344.
5- Bonsignore MR, Morici G, Vignola AM, Riccobono L, Bonanno A, Profita M, Abate P, Scichilone N, Amato G, Bellia V, Bonsignore G. Increased airway inflammatory cells in endurance athletes: what do they mean? Clin Exp Allergy 2003; 33(1): 14-21.
6- Parson,JP, kaeding c, Phillips G. prevalence of exercise – induced bron chospasm in a cohort of varsity college athletes. American college of sports medicine 2007; 39 (9) : 1487-1492.
7- Holzer K, Brukner P. screening of athletes for exercise –induced broncoconstriction .Clin J sport Med 2004; 14:134-138.
8-Ahad A, sandila MP, siddiqui NA. Prevalence of exercise–induced broncho spasm in national hockey players of Pakistan .Med sci. sports. Exere 2004; 54 (2) : 96-9
9- Perdersen L, Elers J , Backer V. Asthma in elite athletes : Pathogenesis , differential diagnoses , and treatment . Department of medicine, Roskilde Hospital 2011; 39(3): 163-71
10- Kenneth W. Rundell and David M. Jenkinson. Exercise-Induced Bronchospasm in the Elite Athlete. Sports Med 2002; 32(9): 583-600.
11- Anderson SD, Kippelen P. Airway injury as a mechanism for Exercise- Induced Bronchoconstriction in elite athletes. J Allergy Clin Immunol 2008;122(2): 225-35.
12- Rnata N T,Luzimar R T, Luiz A R C , Milton A M. Exercise-induced bronchocosentriction in elite long –distance runners in Brazil. J Bras pneumol 2012; 38(3) : 292-298.
13- E. Sami L, Bahna.. sports and asthma .J Asthma 2000; 14: 269-276
16- Lumme A, T Haahtela, J O unap, P Rytila , Y Obase, M Helenius, V Remes, I Helenius. Airway inflammation, bronchial hyperresponsiveness and asthma in elite ice hockey players. Eur Respir 2003; 22: 113–117
17- Kukafka D S, David Ciccolella. Exercise –induced broncospasm in high school athletesvia a free running test. Incidence and epidemiology. American college of chest physicans 1998; 114: 1613-1622.
18- pohjan tahti H , Laitinen J , oarkkari J. Exercise – induced broncho spasm among healthy elite cross country skiers and non athle tic students .J Asthma 2005 ;15(5) : 324 –328 .
19- Mehmet Ünal, Deniz .Namaraslı, Abidin Kayserilioğlu. The Prevalance of Exercise Induced Bronchocosentration in elite Athletes. Journal of Sports Science and Medicine 2004; 3: 57-59
20- Koh YI, ChoiI S. Seasonal difference in occurrence of exercise- induced bronchospasm in asthmatics: dependence humidity respiration. J Asthma 2002; 69: 38-45.
21- Randolph C. An update on Exercise-Induced Bronchoconstriction with and without asthma. Curr Allergy AsthmaRep2009; 9: 433-438.