Sun, B., Ren, J., Yang, Y., & Yang, C. (2023). Effects of a Doula instrument combined with auricular acupuncture and acupoint application on numerical rating scale scores, labour time of puerperae with a natural delivery and Apgar scores of the newborns. Pakistan Journal of Medical Sciences, 39(6). https://doi.org/10.12669/pjms.39.6.7451