Observation:Prid:Pt:Tiss:Nom:Fontana-Masson stain
observation:prid:pt:tiss:nom:fontana-masson stain
Observation:Presence or Identity:To identify measures at a point in time:Tissue, unspecified:Nominal:Fontana-Masson stain
observation:presence or identity:to identify measures at a point in time:tissue, unspecified:nominal:fontana-masson stain