Links 1- https://irb.mans.edu.eg/asu6.0/Libraries/IRBsystem.aspx?DefaultLang=En&ScopeID=1.&BibID=368771 2-The most important research centers at Mansoura University 3-https://pgsr.mans.edu.eg/centers-and-units/research-centers 4-Video on ethical blood collection in rats 5-https://www.liebertpub.com/doi/full/10.1177/1535676018776971 6-https://www.ncbi.nlm.nih.gov/books/NBK54050/ 7-https://www.asas.org/services/ag-guide
