A comparison of sleep quality, anxiety and depression in mothers of in- and outpatients with cystic fibrosis - Vardar-Yagli, N.; Saglam, M.; Bosnak-Guclu, M.; Inal-Ince, D.; Arikan, H.; Savci, S.; Dogru-Ersoz, D.; Ozcelik, U.; Kiper, N. (Journal of Cystic Fibrosis, 2010)