PURPOSE To determine the dosimetric effects of rotational errors on target coverage using volumetric modulated arc therapy (VMAT) for multitarget stereotactic radiosurgery (SRS). METHODS AND MATERIALS This retrospective study included 50 SRS cases, each with 2 intracranial planning target volumes (PTVs). Both PTVs were planned for simultaneous treatment to 21 Gy using a single-isocenter, nonc...

purpose: to compare outcomes and recurrence rates of amniotic membrane transplantation (amt) plus intraoperative mitomycin c (mmc) and conjunctival rotational autograft (cra) plus intraoperative mmc in pterygium surgery methods: ninety-two eyes of 92 patients with primary nasal pterygium were enrolled. all patients were randomized to undergo either amt or cra. forty-three patients underwent amt...

due to climate changes in recent years, in order to attain comfort and convenience, demands for heating, ventilating, and air conditioning (hvac) systems have been increased around the world, which has led to increases in emissions and power. desiccant cooling systems (dcss) are designed and built to reduce moisture and power consumption, create comfortable conditions for people in a building, ...

conclusions findings of this study showed the importance of psychological hardiness in maintaining mental health. special attention should be paid to maintaining and improving the mental health of workers in the pars special economic energy zone. one of the main principles involved in the sustainable and integrated development of a company is healthy human resources in all aspects, including ph...