[Hygienic problems of optimizing rural water supply in the land along the Volga].
Orlov
A A
AA
Nakariakova
M V
MV
Fedorova
N A
NA
Mosiiash
S A
SA
Kuraeva
T G
TG
D006801:Humans; D006920:Hygiene; D012424:Rural Population; D012426:Russia; D012959:Socioeconomic Factors; D013997:Time Factors; D018508:Water Purification; D014881:Water Supply / Q000592:standards*