Binary classification measures to assess test results. Sensitivity or recall rate is the proportion of true positives. Specificity is the probability of correctly determining the absence of a condition. (From Last, Dictionary of Epidemiology, 2d ed)
Exclusive legal rights or privileges applied to inventions, plants, etc.
Contamination of bodies of water (such as LAKES; RIVERS; SEAS; and GROUNDWATER.)
Any waste product generated by a dental office, surgery, clinic, or laboratory including amalgams, saliva, and rinse water.
Contamination of the air, bodies of water, or land with substances that are harmful to human health and the environment.