presentationRatio property
presentationRatio The quantity of substance in the unit of presentation, or in the volume (or mass) of the single pharmaceutical product or manufactured item. Unit of presentation refers to the quantity that the item occurs in e.g. a strength per tablet size, perhaps 'per 20mg' (the size of the tablet). It is not generally normalized as a unitary unit, which would be 'per mg').;
Implementation
Ratio? get presentationRatio => throw _privateConstructorUsedError;