Heterozygosity for mutations of the ataxia telangiectasia gene is not a major cause of radiotherapy complications in breast cancer patients. - Shayeghi,M.; Seal,S.; Regan,J.; Collins,N.; Barfoot,R.; Rahman,N.; Ashton,A.; Moohan,M.; Wooster,R.; Owen,R.; Bliss,J.M.; Stratton,M.R.; et al. (Br J Cancer, 1998)