Poliomyelitis virus in urban sewage in epidemic and in nonepidemic times.
MELNICK
J L
JL
D058872:Epidemics; D006801:Humans; D011051:Poliomyelitis / Q000473:pathology*; D017955:Poliovirus; D012722:Sewage; D014780:Viruses
D012722:Sewage
POLIOMYELITIS/pathology; POLIOMYELITIS/virus