Purkayastha et al reported 3 cases of proatlantal intersegmental arteries of external carotid artery origin associated with Galen’s vein malformation; however, because of their configuration, I believe that the 3 cases do not demonstrate this rare arterial variation, but rather show collateral blood flow from the occipital artery (OA) to the vertebral artery (VA). In patients with a vein of Gal...

Purkayastha et al reported 3 cases of proatlantal intersegmental arteries of external carotid artery origin associated with Galen’s vein malformation; however, because of their configuration, I believe that the 3 cases do not demonstrate this rare arterial variation, but rather show collateral blood flow from the occipital artery (OA) to the vertebral artery (VA). In patients with a vein of Gal...

this study aimed at examining the effect of employees’ work motivation on organizational citizenship behaviors in sport and youth offices of chaharmahal-va-bakhtiari province. all employees (n=152) in these offices completed motivation sources inventory (barbuto et al., 2004), and their leaders evaluated their organizational citizenship behaviors by organizational citizenship behavior scale (po...

Phase-Change Memory (PCM) has the potential to replace DRAM as the primary memory technology due to its non-volatility, scalability, and high energy efficiency. However, the adoption of PCM will require technological solutions to surmount some deficiencies of PCM, such as writes requiring significantly more energy and time than reads. One way to limit the number of writes is by adopting a last-...

Resumen Intro duc ción: Los es tu dios ar te ria les no-in va si vos se em plean en adul tos para va lo ra ción de daño de ór ga no blan co, re-cla si fi ca ción de ries go car dio vas cu lar y/o de tec ción tem pra na de al te ra cio nes en es truc tu ra y fun ción ar te rial. Re cien te men te, se re co men dó su em pleo en ni ños, dado que per mi ti rían de tec tar aque llos con ma yor sus c...