BYRAM, K. K.; PATEL, C.; PATEL, S.; MUTHYAM, S. K. A Review of the Role of FTIR, NMR, and Raman Spectroscopy in Drug Product Characterisation. UPI Journal of Pharmaceutical, Medical and Health Sciences, [S. l.], v. 9, n. 2, p. 1–7, 2026. DOI: 10.37022/jpmhs.v9i2.192. Disponível em: https://uniquepubinternational.com/journals/index.php/jpmhs/article/view/192. Acesso em: 12 may. 2026.