Human papilloma virus 18 DNA:PrThr:Pt:Anorectal:Ord:Probe.amp.sig
human papilloma virus 18 dna:prthr:pt:anorectal:ord:probe.amp.sig
Human papilloma virus 18 DNA [Presence] in Anorectal specimen by Probe and signal amplification method
human papilloma virus 18 dna [presence] in anorectal specimen by probe and signal amplification method