Research Article Green College Lecture. Ethical challenges in embryo manipulation. British Medical Journal 1992; 304 doi: https://doi.org/10.1136/bmj.304.6833.1045 (Published 18 April 1992) Cite this as: British Medical Journal 1992;304:1045 Article Related content Metrics Responses Peer review Related articles Letter Ethics of embryo manipulation. Published: 30 May 1992; British Medical Journal 304 doi:10.1136/bmj.304.6839.1446-b 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