Research Article The forgotten war in the hidden valley. Br Med J (Clin Res Ed) 1987; 295 doi: https://doi.org/10.1136/bmj.295.6613.1637 (Published 19 December 1987) Cite this as: Br Med J (Clin Res Ed) 1987;295:1637 Article Related content Metrics Responses Peer review Related articles No related articles found. See more Isotretinoin: Regulator adds prescribing safeguards after review of side effects BMJ November 02, 2023, 383 p2545; DOI: https://doi.org/10.1136/bmj.p2545 Guidelines should say how much extra time is needed for each patient to implement them BMJ February 06, 2023, 380 p285; DOI: https://doi.org/10.1136/bmj.p285 Monkeypox can be fatal for people with weak immune systems, CDC warns BMJ October 28, 2022, 379 o2602; DOI: https://doi.org/10.1136/bmj.o2602 Cobblestone-like rashes on the penis BMJ October 06, 2022, 379 e070996; DOI: https://doi.org/10.1136/bmj-2022-070996 Reports of “tomato flu” outbreak in India are not due to new virus, say doctors BMJ August 26, 2022, 378 o2101; DOI: https://doi.org/10.1136/bmj.o2101