Correspondence Points: Chester porphyria Br Med J (Clin Res Ed) 1986; 292 doi: https://doi.org/10.1136/bmj.292.6522.766-a (Published 15 March 1986) Cite this as: Br Med J (Clin Res Ed) 1986;292:766 Article Related content Metrics Responses Peer review Related articles No related articles found. See more When I use a word . . . . Counterfactual medical history: Milton’s poetry BMJ June 24, 2022, 377 o1569; DOI: https://doi.org/10.1136/bmj.o1569 Benjamin Jon Tinsley BMJ June 24, 2022, 377 o1541; DOI: https://doi.org/10.1136/bmj.o1541 Ernest Theodore Roberts BMJ June 24, 2022, 377 o1540; DOI: https://doi.org/10.1136/bmj.o1540 James Irvine Currie BMJ June 24, 2022, 377 o1522; DOI: https://doi.org/10.1136/bmj.o1522 Ian Norman McCulloch BMJ June 24, 2022, 377 o1539; DOI: https://doi.org/10.1136/bmj.o1539