[On the use of certain natural gums in the procedures for the purification of drinking water].
D060766:Drinking Water; D005881:Gingiva; D006801:Humans; D012116:Resins, Plant; D012117:Resins, Synthetic / Q000494:pharmacology*; D014881:Water Supply
D060766:Drinking Water; D012116:Resins, Plant; D012117:Resins, Synthetic
RESINS/pharmacology; WATER SUPPLY