Background: A large proportion of patients presenting with lumbar disc disease are opium addicts in our region. It was, therefore, hypothesized that morphine might affect the intervertebral disc. We investigated the histological findings of morphine dependency on intervertebral discs in rat. Methods: Forty NMRI adult male rats (230-250 g) placed on ordinary diet and received aqueous solution of...

We examine how metric intensity—that is, the quantity, frequency, and extent to which performance metrics are tracked used—varies with a firm's dependency on innovation for business success. Although essential in an organization's management control system, little is known about use of differs organizations varying dependencies incremental radical innovation. Drawing data from sample small- med...