Ferri, D., Baldini, D. and Baldini, G.M. 2023. A successful twin healthy live birth achieved from eggs with a rare perivitelline space abnormality: A case report. International Journal of Reproductive BioMedicine (IJRM). 21, 3 (Apr. 2023), 263–267. DOI:https://doi.org/10.18502/ijrm.v21i3.13202.