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