Observation:Prid:Pt:Esophageal brush:Nom:Cyto stain
observation:prid:pt:esophageal brush:nom:cyto stain
Observation:Presence or Identity:To identify measures at a point in time:Esophageal brush:Nominal:Cytology Stain
observation:presence or identity:to identify measures at a point in time:esophageal brush:nominal:cytology stain