.
Two papers:1) https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1349-7006.1992.tb02342.x
Cancer Mortality Survey in a Spa Area (Misasa, Japan) with a High Radon Background Masaaki Mifune Tomotaka Sobue Hiroko Arimoto Yoshiaki Komoto Sohei Kondo Hiroshi Tanooka First published: January 1992
2) https://www.birpublications.org/doi/full/10.1259/bjr.75.895.750637
BJR > Previous Issues > Volume 75, Issue 895 > Radiation increased the longevity of British radiologists Correspondence Radiation increased the longevity of British radiologists J R Cameron 2678 SW 14th Drive, Gainesville, FL 32608, USA
