Tait C E, Hesp R
Br J Radiol. 1976 Nov;49(587):948-50. doi: 10.1259/0007-1285-49-587-948.
Using a whole-body counter which incorporates eight static NaI((Tl) detectors, it has been found possible to measure the absorption of vitamin B12 labelled with 57Co instead of 58Co, with a consequent reduction in absorbed radiation dose to the patient.