[The effectiveness of hygienic control measures shown on the example of drinking water].
1976
H J Felgenträger, and
G Günther
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)