Derhab, Neama http://orcid.org/0000-0001-8901-4289
Mabrouk, Mona E. M.
El-Metwally, Mohammad M.
Mohammed, Youssef M. M.
Funding for this research was provided by:
Damanhour University
Article History
Received: 24 May 2023
Revised: 1 September 2023
Accepted: 10 September 2023
First Online: 23 September 2023
Declarations
:
: The authors declared that they had a written approval from a volunteer to take a sample of fresh blood from his body for their research purpose. This sample has been taken by a specialist in an official hospital to assure health and safety. Regarding fresh raw cowhides, the authors visited animal farm and took the permission from the manager to take a piece of raw cowhides used for trade and manufacturing.
: The authors declare no competing interests.