Lya Marliana, Umdatus Soleha, & Wesiana Heris Santy. (2025). Combination of Pillow Use 30° and Sleeping Position on the Left Side Prevention Gastroesophageal Reflux based on Theory of Comfort: Study in Post-Egd Gerd Patients. Journal Of Nursing Practice, 8(2), 372–382. https://doi.org/10.30994/jnp.v8i2.550