Acetaminophin product, pack and tablet (using contained resources) (id = "Acetamin-500-20-generic")

<?xml version="1.0" encoding="UTF-8"?>

<MedicinalProductDefinition xmlns="http://hl7.org/fhir">
  <id value="Acetamin-500-20-generic"/> 
  <contained> 
    <PackagedProductDefinition> 
      <id value="Acetamin-pack-20"/> 
      <packageFor> 
        <reference value="#"/> 
      </packageFor> 
      <packaging> 
        <type> 
          <coding> 
            <code value="cardboard box"/> 
          </coding> 
        </type> 
        <!--   the item contained in the pack (note this is a different concept to a "contained"
         resource, above)   -->
        <containedItem> 
          <item> 
            <reference> 
              <reference value="#Acetamin-tab-500"/> 
            </reference> 
          </item> 
          <amount> 
            <value value="20"/> 
          </amount> 
        </containedItem> 
      </packaging> 
    </PackagedProductDefinition> 
  </contained> 
  <contained> 
    <ManufacturedItemDefinition> 
      <id value="Acetamin-tab-500"/> 
      <status value="active"/> 
      <manufacturedDoseForm> 
        <coding> 
          <code value="tablet"/> 
        </coding> 
      </manufacturedDoseForm> 
    </ManufacturedItemDefinition> 
  </contained> 
  <!--  contained>
    <Ingredient>
      <id value="Acetamin-ing-500"/>
      <status value="active"/>
      <for>
        <reference value="ManufacturedItemDefinition/Acetamin-tab-500"/>
      </for>
      <role>
        <coding>
          <code value="active"/>
        </coding>
      </role>
      <substance>
        <code>
          <concept>
          <coding>
            <system value="http://snomed.info/sct"/>
            <code value="387517004"/>
            <display value="Acetaminophen"/>
          </coding>
          </concept>
        </code>
        <strength>
          <presentationRatio>
            <numerator>
              <value value="500"/>
              <unit value="mg"/>
            </numerator>
            <denominator>
              <value value="1"/>
              <unit value="tablet"/>
            </denominator>
          </presentationRatio>
        </strength>
      </substance>
    </Ingredient>
  </contained  -->
  <identifier> 
    <system value="http://example.nation.org/drugs"/> 
    <value value="12345"/> 
  </identifier> 
  <name> 
    <productName value="Acetaminophen 500 mg tablets [generic]"/> 
  </name> 
</MedicinalProductDefinition>