The results of this study do not differ significantly from the data reported in the literature, suggesting such surgical techniques are effective and well tolerated, and that both can be properly used in the treatment of GERD.

Foam drying processing methods with appropriate selection of formulation components can produce an order of magnitude improvement in LAIV stability over other drying methods.

IntroductionPlacenta accreta is an increasingly common complication of pregnancy that can result in massive hemorrhage.Case PresentationWe describe two cases of placenta accreta, with successful conservative management in a referral hospital in Tehran, Iran. In both cases, two procedures were performed: compression suture (B-Lynch) and a perfusion-decreasing procedure (bilateral uterine artery ligation). We also present the results of a narrative literature review.ConclusionsThe double B-Lynch and uterine arterial ligation procedure in cases of abnormal placentation might be strongly considered in fertility preservation, coagulopathy, coexisting medical disease, blood access shortage, low surgical experience, distant local hospitals, and no help.

This disease was officially termed as coronavirus disease 2019 by the World Health Organization (WHO) on February 11, 2020(Gao et al., 2021. Soon after COVID-19 outbreak in Wuhan, China, it became a pandemic which, so far, has infected more than 150 million people worldwide and death toll has been reported to reach 3,205,000 on May 03, 2021 in 188 countries and regions. As of May 3 th , 2021, a total of 2,534,855 infected cases and 72,484 deaths had been recorded in Iran (medicine, 2020) To date, no specific treatment has shown to be effective against COVID-19; thus, Performing the recommended prevention and control measures of infection along with supportive cares of complications have been the main goals (Al-Quteimat and Amer, 2020). However, with

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