Observation:Prid:Pt:XXX:Nom:Hematoxylin and eosin stain
observation:prid:pt:xxx:nom:hematoxylin and eosin stain
Observation:Prid:Pt:XXX:Nom:Hematoxylin and eosin stain
observation:prid:pt:xxx:nom:hematoxylin and eosin stain