Joao OV Zeni is currently working as an eminent Faculty member at Department of Surgery, Federal University of Parana in Brazil. He has published numerous research papers and articles in reputed journals and has various other achievements in the related studies. He has extended his valuable service towards the scientific community with his extensive research work.

Liver Biology, Liver Physiology, Liver Pathology, Liver Disease Diagnosis, Liver Disease Complications, Liver Cancers, Liver Cirrhosis, Liver Hepatitis, Transplantation Complications, Transplantation Biology, Henra Virus, Hepatitis and Primary biliary disease