Leukaemia and aplastic anaemia in patients irradiated for ankylosing spondylitis. 1957.

Reported here is a seminal study of leukaemia among patients who had been treated with x-rays for ankylosing spondylitis. The findings were first published in a Medical Research Council (MRC) report in 1957. The report is now published in a scientific journal for the first time, 50 years after it first appeared.