Christin, Theresia, et al. “Effectiveness of Lidocaine Cream for Reducing Pain Sensation of Pre Injection of Subcutaneous Lidocaine in Lumbal Puncture Diagnostic and Therapeutic Procedures”. Jurnal Kedokteran Dan Kesehatan : Publikasi Ilmiah Fakultas Kedokteran Universitas Sriwijaya, vol. 7, no. 3, Oct. 2020, pp. 203-8, https://doi.org/10.32539/jkk.v7i3.153.