Expression of Concern: Hamza et al. Efficacy of Mesenchymal Stem Cell and Vitamin D in the Treatment of Diabetes Mellitus Induced in a Rat Model: Pancreatic Tissues. Coatings 2021, 11, 317

Abstract

Following acceptance of the Special Issue article by the Guest Editor, El-Sayed Abd El-Aziz, concerns were raised regarding the integrity of the peer review process [...]