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acute injuries of the spine and spinal cord are among the most causes of severe disability and death after trauma. data about spine fracture with or without cord damage are different. the aim of this study was to determine epidemiology and demographics of spinal injury in main trauma center, guilan, an iranian province. the present study was a descriptive study of all cases of traumatic spine i...

Descriptive simulation finds the performance measure of a system, given a particular value for the input parameters. Inverse simulation reverses this and attempts to find the controllable input parameters required to achieve a particular performance measure. This paper proposes using a ‘stochastic approximation’ to estimate the necessary design parameters within a range of desired accuracy. The...