[Sanitary legislation: history, ways of improvement].
Mel'nikova
L S
LS
Semenov
S V
SV
D049673:History, 20th Century; D007883:Legislation, Medical / Q000266:history*; D012426:Russia; D012499:Sanitation / Q000266:history / Q000331:legislation & jurisprudence*; D014586:USSR