Ketamine Compared With Fentanyl for Surgical Abortion: A Randomized Controlled Trial

Department of Anaesthesiology and Critical Care, Jawaharlal Institute of Postgraduate Medical Education and Research, Pondicherry, India Department of Obstetrics and Gynecology, Jawaharlal Institute of Postgraduate Medical Education and Research, Pondicherry, India Guidelines for Letters. Letters posing a question or challenge to an article appearing in Obstetrics & Gynecology should be submitted within 8 weeks of the article’s publication online. Letters received after 8 weeks will rarely be considered. Letters should not exceed 350 words, including signatures and 5 references. Letters will be published at the discretion of the Editor. The Editor may send the letter to the authors of the original paper so their comments may be published simultaneously. The Editor reserves the right to edit and shorten letters. Letters should be submitted using the Obstetrics & Gynecology online submission and review system, Editorial Manager (http://ong.edmgr.com). Financial Disclosure The authors did not report any potential conflicts of interest.