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		Pragra, Maria, 		Parami, Pontisomayaa, 		Sutawan, Ida Bagus Krisna Jaya, 		EM, Tjahya   Aryasa, AND 		Utara Hartawan, I Gusti Agung Gede.
" Penggunaan Jarum Spinal Atraumatic dalam Menurunkan Kejadian Post-dural Puncture Headache: Telaah Sistematis" <em>E-Jurnal Medika Udayana</em> [Online], Volume 11 Number 1 (26 January 2022)