Letters PSA and prostate cancer More research is not needed BMJ 2009; 339 doi: https://doi.org/10.1136/sbmj.b5336 (Published 09 December 2009) Cite this as: BMJ 2009;339:b5336 Article Related content Metrics Responses Peer review Related articles Research Prostate specific antigen for early detection of prostate cancer: longitudinal study Published: 24 September 2009; BMJ 339 doi:10.1136/bmj.b3537 Analysis Screening for prostate cancer remains controversial Published: 24 September 2009; BMJ 339 doi:10.1136/bmj.b3601 See more Doctors in Pakistan call for workers deported from the UAE to be screened for HIV BMJ December 05, 2016, 355 i6544; DOI: https://doi.org/10.1136/bmj.i6544 Time for guidelines on safety netting? BMJ December 05, 2016, 355 i6411; DOI: https://doi.org/10.1136/bmj.i6411 The BMJ Christmas appeal 2016-7: Orbis, the sight savers BMJ December 01, 2016, 355 i6425; DOI: https://doi.org/10.1136/bmj.i6425 Association between screening and the thyroid cancer “epidemic” in South Korea: evidence from a nationwide study BMJ November 30, 2016, 355 i5745; DOI: https://doi.org/10.1136/bmj.i5745 Overdiagnosis of thyroid cancer BMJ November 30, 2016, 355 i6312; DOI: https://doi.org/10.1136/bmj.i6312