RT Journal Article SR Electronic T1 Characteristics of patients with chronic obstructive pulmonary disease (COPD) admitted to a tertiary referral hospital JF Future Hospital Journal JO Future Hosp J FD Royal College of Physicians SP s13 OP s13 DO 10.7861/futurehosp.3-2-s13 VO 3 IS Suppl 2 A1 Yi Kang Ng A1 Wee Ming Peh A1 Wai Leng Chow A1 Augustine Tee YR 2016 UL http://www.rcpjournals.org/content/3/Suppl_2/s13.abstract AB