A case study on expired drugs: The potential corrosion inhibitory activity of expired labetalol drug in 1M HCl for plain carbon steel. Indian Journal of Chemical Technology (IJCT), [S. l.], v. 30, n. 2, p. 180–186, 2023. DOI: 10.56042/ijct.v30i2.66263. Disponível em: https://or.niscpr.res.in/index.php/IJCT/article/view/1275. Acesso em: 26 may. 2026.