[A constancy test for quality assurance of x-ray film including film processing].
1985
H Eder, and
H Schöfer
UI
MeSH Term
Description
Entries
D011786
Quality Control
A system for verifying and maintaining a desired level of quality in a product or process by careful planning, use of proper equipment, continued inspection, and corrective action as required. (Random House Unabridged Dictionary, 2d ed)