ABDELAZIM, Ibrahim A. et al. Comments on: Delayed interval delivery or asynchronous birth of the second twin: a case report with a good outcome neonatal; Letter to Editor. Ginecol. obstet. Méx. [online]. 2019, vol.87, n.10, pp.706-708.  Epub 20-Ago-2021. ISSN 0300-9041.