V. AM, R. P. Helicobacter pylori infection and hyperemesis gravidarum: a prospective pilot study in India. Int J Reprod Contracept Obstet Gynecol [Internet]. 2019 Jun. 29 [cited 2025 Nov. 11];8(7):2856-60. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/6915