Jack-knife PositionBr Med J 1958; 2 doi: http://dx.doi.org/10.1136/bmj.2.5093.449-a (Published 16 August 1958) Cite this as: Br Med J 1958;2:449
Log in using your username and password
Log in through your institution
Register for a free trial to thebmj.com to receive unlimited access to all content on thebmj.com for 14 days.
Sign up for a free trial