نتایج جستجو برای: short time preservation
تعداد نتایج: 2274075 فیلتر نتایج به سال:
BACKGROUND AND PURPOSE The aim was to verify whether preoperative conventionally fractionated chemoradiation offers an advantage in sphincter preservation in comparison with preoperative short-term irradiation. PATIENTS AND METHODS Patients with resectable T3-4 rectal carcinoma without sphincters' infiltration and with a lesion accessible to digital rectal examination were randomised into: pr...
purpose: to evaluate the influence of donor characteristics (age, death-to-preservation time, preservation-to-surgery time, graft rating, and endothelial cell features) on clinical outcomes following deep anterior lamellar keratoplasty (dalk) in patients with keratoconus. methods: in this retrospective study, 290 consecutive keratoconic eyes underwent dalk using donor corneas of different quali...
purpose: this study evaluated the effect of donor and eye bank characteristics on graft rating and clinical outcomes after penetrating keratoplasty (pk) in keratoconus-affected patients. methods: a total of 252 consecutive keratoconic eyes that underwent pk were reviewed in this retrospective interventional case series. donor data included age and sex, cause of death, death-to-preservation time...
the effects of ex vivo cold-storage on cryopreservation of the goat (caprus hircus) epididymal sperm
background: there are many studies focused on long or short storage time of epididymal sperm (eps) of different species. there are limited studies on preservation or cryopreservation of the domestic goat eps. objective: the aim of the present study was to evaluate the effects of ex vivo cold-storage on freezing of eps from goat (capra hircus). materials and methods: in a split-plot design the c...
Real-time cooperativeediting systems allow multipleusers to view and edit the same text/graphic/ image/multimedia document at the same time from multiple sites connected by communication networks. Consistency maintenance is one of the most signiicant challenges in designing and im-plementingreal-time cooperative editing systems. In this paper, a consistency model, with properties of convergence...
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