PONGCHAICHANON, P.; PONGCHAICHANON, P.; YUTHONG-IN , C.; RAMWONG, L.; SUKCHAROENJIT, J.; JOOMTHONG, K.; SANGANGAM, T.; YOUNGSA-AD, W. Efficacy and adverse effects of Phyllanthus emblica combined with Andrographis paniculata syrup versus brown mixture for symptomatic cough relief in Long-COVID patients: A single-blind randomized controlled trial. Health Science, Science and Technology Reviews, [S. l.], v. 19, n. 2, p. 55–67, 2026. Disponível em: https://li01.tci-thaijo.org/index.php/journalup/article/view/270665. Acesso em: 31 aug. 2026.