Addresses And Papers The Kahn Test: A Simplified Technique Br Med J 1940; 1 doi: https://doi.org/10.1136/bmj.1.4128.252 (Published 17 February 1940) Cite this as: Br Med J 1940;1:252 Article Related content Metrics Responses Peer review Related articles Correction Correction Published: 26 June 1965; Br Med J 1 doi:10.1136/bmj.1.5451.292 Correction Correction Published: 03 March 1956; Br Med J 1 doi:10.1136/bmj.1.4965.532 See more Individual care plans reduce falls and broken hips in New Zealand hospitals BMJ December 05, 2016, 355 i6490; DOI: https://doi.org/10.1136/bmj.i6490 Electronic fetal monitoring, cerebral palsy, and caesarean section: assumptions versus evidence BMJ December 01, 2016, 355 i6405; DOI: https://doi.org/10.1136/bmj.i6405 Hip pain in a middle aged woman BMJ November 30, 2016, 355 i6129; DOI: https://doi.org/10.1136/bmj.i6129 Lack of evidence for interventions offered in UK fertility centres BMJ November 28, 2016, 355 i6295; DOI: https://doi.org/10.1136/bmj.i6295 Zika related microcephaly may appear after birth, study finds BMJ November 23, 2016, 355 i6333; DOI: https://doi.org/10.1136/bmj.i6333