@Helene Tuft Stavnes : “P—Apolipoprotein B/Apolipoprotein A1; subst.ratio =” is created as “Substance ratio of apolipoprotein A-I and apolipoprotein B in plasma in (observable entity)”. Not sure that "apolipoprotein A-I and apolipoprotein B "is right: should be something like divided by/between?