8Falagas ME, Theocharis G, Spanos A, et al. Effect of meteorological variables on the incidence of respiratory tract infections [J]. Respir Med, 2008 102(5):733-737
9Agarwal R, Jayaraman G. Assessing respiratory morbidity through pollution status and meteorological conditions for Delhi [J]. Environ Monit Assess, 2006,14(13):489-504.