RT Journal Article SR Electronic T1 Purple urine bag syndrome JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 270 OP 270 DO 10.7861/clinmed.2023-0132 VO 23 IS 3 A1 Ashwin Mohandas Pallath A1 Gayatri Gopan A1 Anoop TM YR 2023 UL http://www.rcpjournals.org/content/23/3/270.abstract