the use of donated embryos has offered hope for infertile couples who have no other means to have children. in iran, fertility centers use fertile couples as embryo donors. in this paper, the advantages and disadvantages of this procedure will be discussed. we conclude that embryo-donation should be performed with frozen embryos thus preventing healthy donors from being harmed by fertility drug...

severe discharge of sewage and industrial effluents into the persian gulf leads to the deposition of various types of heavy metals, especially lead and mercury, in the muscles of fish. total mercury and methylmercury contents were determined in the edible parts (muscle tissue, fillet) of two different most popular frozen fish species from the persian gulf to ascertain whether the concentrations...

normal 0 false false false en-us x-none fa background: frozen dough technology makes it possible to access fresh bread with a minimum need for equipment and with minimal skilled personnel at any time. in this study the impact of freezing rate and degree of pre-fermentation on quality factors of s angak frozen dough and its bread was assessed. methods: the pre-fermentation was between 0 and 120 ...

A 30-year-old man with Ewing sarcoma presented with an enlarging metastatic osseous lesion involving the T10 vertebral body. Percutaneous cryoablation was performed under CT guidance for local tumor control; immediately following, he developed paraplegia. Early and delayed cord imaging show cryoablation-related injury (figures 1 and 2). The procedure involves targeted freezing of tissue to appr...