Articles Letters, Notes, and Answers Br Med J 1912; 2 doi: https://doi.org/10.1136/bmj.2.2702.1004 (Published 12 October 1912) Cite this as: Br Med J 1912;2:1004 Article Related content Metrics Responses Peer review Related articles Correction Correction Published: 11 December 1948; Br Med J 2 doi:10.1136/bmj.2.4588.1048-a See more Should adults take vitamin D supplements to prevent disease? BMJ November 23, 2016, 355 i6201; DOI: https://doi.org/10.1136/bmj.i6201 High iron levels are associated with risk of gestational diabetes, study finds BMJ November 14, 2016, 355 i6075; DOI: https://doi.org/10.1136/bmj.i6075 NICE calls for wider use of blood tests to diagnose coeliac disease BMJ October 20, 2016, 355 i5660; DOI: https://doi.org/10.1136/bmj.i5660 One in five with bowel cancer diagnosed as emergency had previous “red flag” symptoms BMJ September 28, 2016, 354 i5277; DOI: https://doi.org/10.1136/bmj.i5277 Vitamin D advice seems at odds with new methods BMJ August 23, 2016, 354 i4581; DOI: https://doi.org/10.1136/bmj.i4581