[Protection of reservoirs from pollution with helminth eggs].
D000818:Animals; D006376:Helminths; D010270:Parasite Egg Count; D012498:Sanitary Engineering / Q000295:instrumentation; D012722:Sewage; D014586:USSR; D014876:Water Pollution / Q000517:prevention & control*
D012722:Sewage
Ob okhrane vodoemov ot zagriazneniia iaĭtsami gel'mintov