[Sanitary-helminthological studies of experimental agricultural sewage-farms in the northwestern zone of the USSR].
D000383:Agriculture; D005506:Food Contamination; D006373:Helminthiasis / Q000517:prevention & control*; D012722:Sewage; D014586:USSR
D012722:Sewage
Sanitarno-gel'mintologicheskie issledovaniia zemledel'cheskikh poleĭ orosheniia v usloviiakh severo-zapadnoĭ zony SSSR.