Letter Decreasing quality of semen. British Medical Journal 1992; 305 doi: https://doi.org/10.1136/bmj.305.6863.1228-c (Published 14 November 1992) Cite this as: British Medical Journal 1992;305:1228 Article Related content Metrics Responses Peer review Related articles Letter Decreasing quality of semen. Published: 13 February 1993; British Medical Journal 306 doi:10.1136/bmj.306.6875.461-b Research Article Evidence for decreasing quality of semen during past 50 years. Published: 12 September 1992; British Medical Journal 305 doi:10.1136/bmj.305.6854.609 See more Introductory Address Prov Med Surg J October 03, 1840, s1-1 (1) 1-4; DOI: https://doi.org/10.1136/bmj.s1-1.1.1 Report of the Meeting of the Eastern Branch of the Provincial Association at Bury St. Edmond's Prov Med Surg J October 03, 1840, s1-1 (1) 10-13; DOI: https://doi.org/10.1136/bmj.s1-1.1.10 Mr. Warburton's Bill for the Regulation of the Medical Profession Prov Med Surg J October 03, 1840, s1-1 (1) 13-15; DOI: https://doi.org/10.1136/bmj.s1-1.1.13 An Atlas of Plates, illustrative of the Principles and Practice of Obstetric Medicine and Surgery, with descriptive Letterpress Prov Med Surg J October 03, 1840, s1-1 (1) 4; DOI: https://doi.org/10.1136/bmj.s1-1.1.4 A Practical Treatise on the Diseases peculiar to Women, illustrated by Cases, &c Prov Med Surg J October 03, 1840, s1-1 (1) 4-5; DOI: https://doi.org/10.1136/bmj.s1-1.1.4-a