[Experience of work in the sanitary services of the Pavlodarsk region in the sanitary protection of the Irtysh river].
D004782:Environmental Health; D005618:Fresh Water; D012800:Siberia; D014867:Water
D014867:Water
Opyt raboty sanitarnoĭ sluzhby Pavlodarskoĭ oblasti po sanitarnoĭ okhrane r. Irtysha