Asthma control affects school absence, achievement and quality of school life: a multicenter study M. Toyran; I.T. Yagmur; H. Guvenir; I.A. Haci; S. Bahceci; S.B. Batmaz; O.Y. Topal; I.K. Celik; B. Karaatmaca; E.D. Misirlioglu; E. Civelek; D. Can; C.N. Kocabas;

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