1.
Iffah U. The Influence of Acupressure Li4 and Sp6 Techniques to the Endorphins Level And Progress of Labor in Period I Active Phase. pannmed [Internet]. 2021 May 17 [cited 2025 Sep. 21];16(1):229-34. Available from: https://ojs.poltekkes-medan.ac.id/pannmed/article/view/1055