Lenghong K, Apiratwarakul K. One Year of Experience in Using Hand-Held Ultrasound as a Learning Tool in Ultrasound Rotation at the Emergency Department. Open Access Maced J Med Sci [Internet]. 2020 Dec. 14 [cited 2024 May 5];8(E):674-7. Available from: https://oamjms.eu/index.php/mjms/article/view/5573