1. https://go.drugbank.com/drugs/DB00916, the drug data bank for metronidazole (accessed on date 5th May 2021)
2. https://go.drugbank.com/drugs/DB01165, the drug data bank for ofloxacin (accessed on date 5th May 2021)
3. International council for harmonization (ICH) Q14 guideline, Analytical procedure development and revision of Q2 (R1) guideline for analytical method validation, (2018), pp. 1–3
4. International council for harmonization (ICH) Q8 (R2) tripartite guideline, Pharmaceutical development, (2009), pp. 1–19
5. International council for harmonization (ICH) Q9 tripartite guideline, Quality risk management, (2005), pp. 1–19