RT Journal Article SR Electronic T1 Health and work JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP e431 OP e432 DO 10.7861/clinmed.Let.21.4.10 VO 21 IS 4 A1 Andrew Frank YR 2021 UL http://www.rcpjournals.org/content/21/4/e431.abstract