Observation:Prid:Pt:XXX:Nom:Kinyoun iron hematoxylin stain
observation:prid:pt:xxx:nom:kinyoun iron hematoxylin stain
Observation:Prid:Pt:XXX:Nom:Kinyoun iron hematoxylin stain
observation:prid:pt:xxx:nom:kinyoun iron hematoxylin stain