You can add or insert a new article box in an existing chain of boxes.

  1. Open the page containing the article box you want to link to
  2. Select the Article tool (Article tool icon) from the toolbar.
  3. Click on the article box you want to link to - well call this box A
  4. Click on the + symbol in the bottom right hand corner of box A.
  5. Drag out your new article box. 
    It will be added to the chain between box A and whatever it used to link to.