Observation:Prid:Pt:Bld/Bone mar:Nom:Periodic acid-Schiff stain
observation:prid:pt:bld/bone mar:nom:periodic acid-schiff stain
Observation:Prid:Pt:Bld/Bone mar:Nom:Periodic acid-Schiff stain
observation:prid:pt:bld/bone mar:nom:periodic acid-schiff stain