Correspondence Intercalated degrees Br Med J (Clin Res Ed) 1986; 293 doi: https://doi.org/10.1136/bmj.293.6540.202-a (Published 19 July 1986) Cite this as: Br Med J (Clin Res Ed) 1986;293:202 Article Related content Metrics Responses Peer review Related articles No related articles found. See more US Supreme Court ends constitutional right to abortion BMJ June 27, 2022, 377 o1575; DOI: https://doi.org/10.1136/bmj.o1575 Polio: What do we know about the polioviruses detected in the UK? BMJ June 27, 2022, 377 o1578; DOI: https://doi.org/10.1136/bmj.o1578 Government has exploited doctors’ goodwill but it’s now running dry, says BMA chair BMJ June 27, 2022, 377 o1577; DOI: https://doi.org/10.1136/bmj.o1577 Sixty seconds on . . . Lizzo BMJ June 27, 2022, 377 o1573; DOI: https://doi.org/10.1136/bmj.o1573 Donald Pinkel: innovated the treatment of childhood leukaemia BMJ June 27, 2022, 377 o1564; DOI: https://doi.org/10.1136/bmj.o1564