Observation:Prid:Pt:XXX:Nom:Methylene blue stain.Loeffler
observation:prid:pt:xxx:nom:methylene blue stain.loeffler
Observation:Presence or Identity:To identify measures at a point in time:Not specified:Nominal:Methylene blue stain.Loeffler
observation:presence or identity:to identify measures at a point in time:not specified:nominal:methylene blue stain.loeffler