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APA Citation
Kim, M., Han, K., Kim, E. M., Jeong, S. H., & Lee, J. (2013). the Myth of the Equiangular Triangle for Identification of Sacral Hiatus in Children Disproved by Ultrasonography. Regional anesthesia and pain medicine, 38(3), 243–247. http://access.bl.uk/ark:/81055/vdc_100137791449.0x000013