INVESTIGATION OF IN-VITRO ANTI-OXIDANT & ANTI-ULCER ACTIVITY OF POLYHERBAL MEDICINAL PLANTS. Journal of Pharmaceutical Negative Results, [S. l.], p. 2077–2088, 2022. DOI: 10.47750/pnr.2022.13.S01.244. Disponível em: https://pnrjournal.com/index.php/home/article/view/1577.. Acesso em: 8 jun. 2026.