Anis Nikmatul Nikmah, Dhita Kris Prasetiyanti, Eko Winarti, Karima Meireza, & Hiromi Ogasawara. (2022). Effect Endorphin Massage on Anxiety Labor Levels of First Stage. Journal Of Nursing Practice, 5(2), 261–265. https://doi.org/10.30994/jnp.v5i2.219