Observation:Prid:Pt:Anorectal:Nom:Cyto stain.thin prep
observation:prid:pt:anorectal:nom:cyto stain.thin prep
Observation:Prid:Pt:Anorectal:Nom:Cyto stain.thin prep
observation:prid:pt:anorectal:nom:cyto stain.thin prep