Analysis of Self-Medication Knowledge about Gastritis Among Vocational School Students. JURNAL PROTEKSI KESEHATAN, [S. l.], v. 12, n. 2, p. 224–234, 2024. DOI: 10.36929/jpk.v12i2.798. Disponível em: https://jurnal.pkr.ac.id/JPK/article/view/798. Acesso em: 18 jan. 2026.