R4B: References a product from which one or more of the constituent parts of that product can be prepared and used as described by this administrable product (new)
R4B: The ingredients of this administrable medicinal product. This is only needed if the ingredients are not specified either using ManufacturedItemDefiniton, or using by incoming references from the Ingredient resource (new)
R4B: Indicates the specific manufactured items that are part of the 'formOf' product that are used in the preparation of this specific administrable form (new)