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| Autores Davis
RL, Mostofi FK.
This
paper describes the occurrence of six cases of testicular cancer
occurring in police officers in contiguous counties in north-central
USA between the years 1979 and 1991. The authors state that
the only common exposure
was the occupational practice of resting the radar gun on their
lap in proximity to the testicles. The rate of testicular cancer
was 6.9 times that expected.
As
the authors point out a cluster
of cases such as this is notoriously difficult to interpret.
Cluster investigations are used mainly to formulate hypotheses.
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