Chowdhury Faiz Hossain, Mohammad Al-Amin and Gazi Nurun Nahar Sultana. Use of HPLC with a Photodiode Array Detector to Identify Sildenafil Citrate as an Adulterant in Herbal Products of Bangladesh. NAPR-V4 [Internet]. 2023 Jun. 27 [cited 2026 Jun. 13];:17-2. Available from: https://stm.bookpi.org/NAPR-V4/article/view/10998