[Improved method of studying sewage sediment for helminth eggs].
D000818:Animals; D005374:Filtration / Q000295:instrumentation; D006376:Helminths / Q000302:isolation & purification*; D010270:Parasite Egg Count / Q000379:methods*; D012722:Sewage / Q000032:analysis*
D012722:Sewage
Usovershenstvovanie metoda issledovaniia osadka stochnykh vod na iaĭtsa gel'mintov.