retrospective studies

Characterising patient complaints in out-of-hours general practice: a retrospective cohort study in Ireland
Emma Wallace, et al

Br J Gen Pract 1 December 2018; 68 (677): e860-e868. DOI: https://doi.org/10.3399/bjgp18X699965
Population and patient factors affecting emergency department attendance in London: retrospective cohort analysis of linked primary and secondary care records
Sally A Hull, et al

Br J Gen Pract 1 March 2018; 68 (668): e157-e167. DOI: https://doi.org/10.3399/bjgp18X694397