Scott Sills, E., et al. “Intraovarian Insertion of Autologous Platelet Growth Factors As Cell-Free Concentrate: Fertility Recovery and First Unassisted Conception With Term Delivery at Age over 40”. International Journal of Reproductive BioMedicine (IJRM), vol. 18, no. 12, Dec. 2020, pp. 1081-6, doi:10.18502/ijrm.v18i12.8030.