Correspondence Second Thoughts on Proguanil Br Med J 1949; 1 doi: https://doi.org/10.1136/bmj.1.4604.589 (Published 02 April 1949) Cite this as: Br Med J 1949;1:589 Article Related content Metrics Responses Peer review Related articles No related articles found. See more Genetic test “screening campaign” may be causing unnecessary alarm, experts warn BMJ June 02, 2023, 381 p1264; DOI: https://doi.org/10.1136/bmj.p1264 Are hard collars necessary for older people with odontoid neck fractures? BMJ June 02, 2023, 381 e072956; DOI: https://doi.org/10.1136/bmj-2022-072956 The problem with Silicon Valley medicine BMJ June 02, 2023, 381 p1257; DOI: https://doi.org/10.1136/bmj.p1257 The dearth of disaggregated health data: a political rather than a technical challenge BMJ June 01, 2023, 381 p1254; DOI: https://doi.org/10.1136/bmj.p1254 In the US, patient data privacy is an illusion BMJ June 01, 2023, 381 p1225; DOI: https://doi.org/10.1136/bmj.p1225