Triple phosphate crystals:Prid:Pt:Calculus:Nom:Microscopy.light
triple phosphate crystals:prid:pt:calculus:nom:microscopy.light
Triple phosphate crystals:Presence or Identity:To identify measures at a point in time:Calculus:Nominal:Microscopy.light
triple phosphate crystals:presence or identity:to identify measures at a point in time:calculus:nominal:microscopy.light