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Danish Sperm Counts (Cont'd.)

Bonde, Jens Peter; Olsen, Jørn; Ramlau-Hansen, Cecilia Høst

doi: 10.1097/EDE.0b013e3182319926
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Department of Occupational and Environmental Medicine; Bispebjerg University Hospital; Copenhagen, Denmark; jpb@bbh.regionh.dk (Bonde)

Department of Epidemiology; School of Public Health; Aarhus University; Aarhus, Denmark (Olsen)

Department of Epidemiology; School of Public Health; Aarhus University; Aarhus, Denmark; Department of Occupational Medicine; Clinical Institute; Aarhus University Hospital; Aarhus, Denmark (Ramlau-Hansen)

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To the Editor:

Skakkebaek and his research group have had the privilege of receiving funds to monitor sperm counts of men in Denmark. Those researchers1 apparently question our right to express an opinion about their monitoring data, which has been made available to the public on a Danish government agency Web site.2 Although free speech and other rights may be threatened in many places of the world, we do not think it is quite there in Denmark yet.

We notice that the researchers do not disagree with our interpretation of the information on the Danish Web site. We encourage them to continue their plans to publish a full analysis of these data. The commentary3 in Science demonstrates the public's legitimate interest in this information.

Jens Peter Bonde

Department of Occupational and Environmental Medicine

Bispebjerg University Hospital

Copenhagen, Denmark

jpb@bbh.regionh.dk

Jørn Olsen

Department of Epidemiology

School of Public Health

Aarhus University

Aarhus, Denmark

Cecilia Høst Ramlau-Hansen

Department of Epidemiology

School of Public Health

Aarhus University

Aarhus, Denmark

Department of Occupational Medicine

Clinical Institute

Aarhus University Hospital

Aarhus, Denmark

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REFERENCES

1.Skakkebaek NE, Andersson AM, Juul A, et al. Sperm counts, data responsibility, and good scientific practice. Epidemiology. 2011;22:620–621.
2.Bonde JP, Ramlan-Hansen CH, Olsen J. Trends in sperm counts-the saga continues. Epidemiology. 2011;22:617–619.
3.Vogel G. Scientific publishing: Danish sperm counts spark data dispute. Science. 2011;332:1369–1370.
© 2011 Lippincott Williams & Wilkins, Inc.