O Khan, P J Ell, P H Jarritt, I D Cullum, E S Williams
Khan O, Ell P J, Jarritt P H, Cullum I D, Williams E S.
Comparison between emission and transmission computed tomography of the liver.
Br Med J (Clin Res Ed) 1981; 283 :1212
doi:10.1136/bmj.283.6301.1212