Obituary ROBERT T. A. O'CALLAGHAN, F.R.C.S.I Br Med J 1903; 1 doi: https://doi.org/10.1136/bmj.1.2194.173-a (Published 17 January 1903) Cite this as: Br Med J 1903;1:173 Article Related content Metrics Responses Peer review Related articles Correction Correction Published: 07 February 1948; Br Med J 1 doi:10.1136/bmj.1.4544.284-a Correction Blood-gas Tension and Aerosols Published: 24 January 1970; Br Med J 1 doi:10.1136/bmj.1.5690.246-a See more Exit means exit for Boris Johnson? BMJ July 07, 2022, 378 o1690; DOI: https://doi.org/10.1136/bmj.o1690 Will new health secretary Steve Barclay get the chance to leave his mark? BMJ July 07, 2022, 378 o1687; DOI: https://doi.org/10.1136/bmj.o1687 Saved bed days: the ultimate currency BMJ July 07, 2022, 378 o1686; DOI: https://doi.org/10.1136/bmj.o1686 Covid-19: WHO urges countries to plug immunity gaps as global infections rise BMJ July 07, 2022, 378 o1685; DOI: https://doi.org/10.1136/bmj.o1685 Removing special covid leave will only undervalue staff and threaten patient safety BMJ July 07, 2022, 378 o1684; DOI: https://doi.org/10.1136/bmj.o1684
