KADHIM, H. H.; HUSSEIN, M. A. A new method for the determination of iron (II) in a pharmaceutical preparation using the color intensity (RGB) of a smartphone. International journal of health sciences, [S. l.], v. 6, n. S9, p. 261–272, 2022. DOI: 10.53730/ijhs.v6nS9.12221. Disponível em: https://sciencescholar.us/journal/index.php/ijhs/article/view/12221. Acesso em: 23 apr. 2026.