TIPYAWONG, T. Efficacy study of 0.5% Sodium nitrate compared with Vernonia cinerea (L.) Less. For Reducing nicotine withdrawal symptom of Smoking cessation in IPD at PMNDAT. เวชสารแพทย์ทหารบก, bangkok,Thailand, v. 74, n. 1, p. 3–12, 2021. Disponível em: https://he02.tci-thaijo.org/index.php/rtamedj/article/view/245457. Acesso em: 18 ก.ย. 2026.