[Work experience and achievements of practical sanitation in the Estonian SSR].
D004787:Environmental Pollution / Q000517:prevention & control; D004813:Epidemiology / Q000266:history; D004957:Estonia; D049673:History, 20th Century; D012499:Sanitation / Q000266:history*
Opyt raboty i dostizheniia sanitarnoĭ praktiki v Estonskoĭ SSR.