Observation:Prid:Pt:Tiss:Nom:Methyl green-pyronine Y stain
observation:prid:pt:tiss:nom:methyl green-pyronine y stain
Observation:Prid:Pt:Tiss:Nom:Methyl green-pyronine Y stain
observation:prid:pt:tiss:nom:methyl green-pyronine y stain