Articles THE SINO-AURICULAR NODE Br Med J 1931; 2 doi: https://doi.org/10.1136/bmj.2.3689.549-a (Published 19 September 1931) Cite this as: Br Med J 1931;2:549 Article Related content Metrics Responses Peer review Related articles Correction Correction Published: 06 November 1943; Br Med J 2 doi:10.1136/bmj.2.4322.598 See more Handbook of Refugee Health: a timely guide to effective provision of refugee health services BMJ January 31, 2023, 380 p165; DOI: https://doi.org/10.1136/bmj.p165 Patients with sickle cell disease are let down by lack of coordinated NHS care, report finds BMJ January 31, 2023, 380 p257; DOI: https://doi.org/10.1136/bmj.p257 Empowering underserved groups through access to electronic health records BMJ January 31, 2023, 380 p247; DOI: https://doi.org/10.1136/bmj.p247 Helen Salisbury: The urgent and the important BMJ January 31, 2023, 380 p209; DOI: https://doi.org/10.1136/bmj.p209 Rammya Mathew: This NHS crisis is unlike any we’ve known BMJ January 31, 2023, 380 p210; DOI: https://doi.org/10.1136/bmj.p210