“Perbandingan Numeric Rating Scale Nyeri Pascaoperasi Kolesistektomi Laparoskopik Antara Blokade Erector Spinae Plane Dan Petidin Intravena”. 2021. Jurnal Anestesi Perioperatif 9 (2): 76–84. https://doi.org/10.15851/jap.v9n2.2405.