BaralB. K., PoudelP. R., RegmiS., KarkiA. J., KoiralaP., and ShahA. “Subarachnoid Block in Prone Position for Lower Limb Surgery”. Journal of Nepal Health Research Council, Vol. 18, no. 4, Jan. 2021, pp. 801-3, doi:10.33314/jnhrc.v18i4.2666.