Zutshi V, Gupta M, Kaur P, Malik A, Zaheer S, Gambhir P. Office endometrial sampling: a comparison between Endosampler and Karman cannula number 4. Int J Reprod Contracept Obstet Gynecol [Internet]. 2018 Sep. 26 [cited 2025 Oct. 2];7(10):3965-8. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/5582