Screw Head Device Component

A fastener device with a tapered threaded shaft and a head designed to engage a drive device.

Clinical studies testing the efficacy of devices, techniques, procedures, or tests for the purpose of detecting the presence of disease, usually before…

Separation of dry particles into size-differentiated fractions by mechanical movement through fixed mesh screens.

The substitution of missing data with the subject's screening observation values that are not missing.

X-rays of the breasts taken to check for breast cancer in the absence of signs or symptoms.

X-rays of the breasts taken to check for breast cancer in the absence of signs or symptoms.