2012, 7 (3): e33739-10.1371/journal.pone.0033739
Vukojevic J, Milavi M, Perovi D, Ili S, ili AZ, uran N, et al
Research-grade compounds are not manufactured to pharmaceutical standards, are not subject to quality testing requirements, and carry unknown purity risks
Supplementary Information Rights and permissions Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made