Ionising radiation in infancy and adult cognitive functionBMJ 2004; 328 doi: https://doi.org/10.1136/bmj.328.7439.582-a (Published 04 March 2004) Cite this as: BMJ 2004;328:582
Wrong impression was created by study's publicity
- Sanjay P Prabhu, specialist registrar in general and radionuclide radiology (email@example.com)
- Royal United Hospital, Bath BA1 3NG
EDITOR—The study by Hall et al on ionising radiation in childhood is flawed for several reasons.1
Firstly, exposure to radiation in 1930-60 was without adequate collimation and shielding, and the machines used were far less accurate than recent models.
Secondly, the x ray treatments entailed mainly contact therapy at low (60 kVp) voltage, which means less penetration and …