Agustiana, A., Fristiohady, A., Arba, M., Jabbar, A., Akib, N.I. and Suryani, S. 2025. Evaluation of the Rationality of Antibiotic Use in Pneumonia Patients Using the Gyssens Method. Journal La Medihealtico. 6, 6 (Dec. 2025), 1596-1606.