Medical Memorandum Blood Groups and Age of Menarche Br Med J 1956; 2 doi: https://doi.org/10.1136/bmj.2.4985.140 (Published 21 July 1956) Cite this as: Br Med J 1956;2:140 Article Related content Metrics Responses Peer review Related articles Correction Correction: BMA negotiations Published: 22 July 1978; Br Med J 2 doi:10.1136/bmj.2.6132.295 See more Higher levels of mercury in brain are not linked to increased risk of Alzheimer’s, study finds BMJ February 03, 2016, 352 i611; DOI: https://doi.org/10.1136/bmj.i611 New mental health bill is tabled in the Indian parliament BMJ February 13, 2014, 348 g1507; DOI: https://doi.org/10.1136/bmj.g1507 Frontotemporal dementia BMJ August 06, 2013, 347 f4827; DOI: https://doi.org/10.1136/bmj.f4827 Higher iron concentrations may protect against Parkinson’s disease BMJ June 12, 2013, 346 f3691; DOI: https://doi.org/10.1136/bmj.f3691 Suspected early dementia BMJ September 20, 2011, 343 d5568; DOI: https://doi.org/10.1136/bmj.d5568
