RT Journal Article SR Electronic T1 Understanding the complexities of collecting and using PRO data in a primary care context JF BMJ Quality & Safety JO BMJ Qual Saf FD BMJ Publishing Group Ltd SP bmjqs-2021-013315 DO 10.1136/bmjqs-2021-013315 A1 Joanne Greenhalgh YR 2021 UL http://qualitysafety.bmj.com/content/early/2021/09/11/bmjqs-2021-013315.abstract AB