Research Article Autoimmune haemolytic anaemias. Br Med J 1970; 2 doi: https://doi.org/10.1136/bmj.2.5706.381 (Published 16 May 1970) Cite this as: Br Med J 1970;2:381 Article Related content Metrics Responses Peer review Related articles No related articles found. See more Incidence of cervical cancer after several negative smear results by age 50: prospective observational study BMJ April 24, 2009, 338 b1354; DOI: https://doi.org/10.1136/bmj.b1354 Fine needle aspiration of hepatic colorectal metastases: Authors' reply BMJ July 29, 2004, 329 (7460) 290; DOI: https://doi.org/10.1136/bmj.329.7460.290-c Fine needle aspiration cytology in cancer diagnosis BMJ July 29, 2004, 329 (7460) 244-245; DOI: https://doi.org/10.1136/bmj.329.7460.244 Cervical cancer screening: Paragraph for This week in the BMJ was misleading BMJ July 17, 2003, 327 (7407) 162; DOI: https://doi.org/10.1136/bmj.327.7407.162 Smear tests: déjà vu BMJ September 01, 2001, 323 (7311) 517; DOI: https://doi.org/10.1136/bmj.323.7311.517