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International Journal of Epidemiology 2003;32:929-931
© International Epidemiological Association 2003

Symposium

Fisher and Bradford Hill: their personal impact

Richard Doll

Sir Richard Doll, CTSU, Harkness Building, Radcliffe Infirmary, Oxford OX2 6HE, UK.

Accepted 1 July 2003

The first 150 words of the full text of this article appear below.


   Fisher
 
When the time came for me to leave school, there was only one subject I wanted to study: mathematics. I decided, however, for reasons that have been described elsewhere1 to read medicine instead. It was, therefore, not surprising that, as a medical student, I sought ways in which mathematics could be used in medicine and it was not long before I discovered one, when I came across Fisher’s2 book on statistical methods for research workers. Most of it was beyond me, but it led me to the {chi}2 test, with the result that my first publication was an article in the St Thomas’s Hospital Gazette in which I showed the poverty of the evidence that had been cited by one of my teachers in support of the belief that gonadotropic hormones would help the descent of undescended testes in young boys.3 For as big or bigger a difference between the descent . . . [Full Text of this Article]


   Bradford Hill
 
Medical ethics
Conclusion about causality

   Conclusion
 

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