[1]
K. Telapol, S. Bumrungphuet, and N. Israngura Na Ayudhya, “Effect of Ethyl Chloride Spray for Pain Reduction during Amniocentesis: A non – blinded randomized controlled trial”, Thai J Obstet Gynaecol, vol. 26, no. 2, pp. 75–82, Jun. 2018.