1. G. S. Kumar, Azo functional polymers (Technomic publishing company, USA, 1992), p.21.
2. Medline Plus, Metoclopramide, (22 November 2020).
3. Monograph. The American Society of Health-System Pharmacists, Metoclopramide hydrochloride, (27 September 2014).
4. Review in Azo Compounds and its Biological Activity
5. Ambulance Victoria Clinical Guideline A0701, (5 December 2014).