RT Journal Article SR Electronic T1 Patients adherence to treatment and knowledge about chronic obstructive pulmonary disease JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 1427 OP 1429 VO 27 IS 9 A1 Gulbay, Banu E. A1 Dogan, Rusina A1 Yildiz, Oznur A. A1 Gurkan, Ozlem U. A1 Acican, Turan A1 Saryal, Sevgi A1 Karabiyikoglu, Gulseren A1 Kose, Kenan YR 2006 UL http://smj.org.sa/content/27/9/1427.abstract