inability to be or occur or be done
131Tear of meniscus — Classification and external resources Head of right tibia seen from above, showing menisci and attachments of ligaments ICD 10 Current injury S …
132operations research — the analysis, usually involving mathematical treatment, of a process, problem, or operation to determine its purpose and effectiveness and to gain maximum efficiency. [1940 45, Amer.] * * * Application of scientific methods to management and… …