1.
Carolin BT, Julia Rifiana A, Komariah D. The Effect of The Use of Birthball on The Intensity of First Stage Active Phase Labor Pain. HTechj [Internet]. 2023 Dec. 23 [cited 2025 Aug. 17];1(6):635-40. Available from: https://journalkhd.com/ojs/index.php/htechj/article/view/125