2-Hydroxyestrone/16-Alpha hydroxyestrone:MRto:Pt:Ser/Plas:Qn
2-hydroxyestrone/16-alpha hydroxyestrone:mrto:pt:ser/plas:qn
2-Hydroxyestrone/16-Alpha hydroxyestrone [Mass ratio]
2-hydroxyestrone/16-alpha hydroxyestrone [mass ratio]