RT Journal Article SR Electronic T1 Bone protection in chronic obstructive pulmonary disease (COPD) patients requiring regular intermittent glucocorticoid therapy. JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 216 OP 216 DO 10.7861/clinmedicine.13-2-216 VO 13 IS 2 A1 Kavitha Nadesalingam A1 David Kirby YR 2013 UL http://www.rcpjournals.org/content/13/2/216.abstract