RT Journal Article SR Electronic T1 Response JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 89 OP 89 DO 10.7861/clinmedicine.19-1-89 VO 19 IS 1 A1 Krishna Chinthapalli A1 Niranjanan Nirmalananthan YR 2019 UL http://www.rcpjournals.org/content/19/1/89.1.abstract