Possible Clues:

• Sort of treatment soldiers face
• The matter with me, on the face of it, is that I need something in the way of 20 down
• I'm leader of curative sort
• Providing cure or help for disability
• About me, the face will be good for me
• Medicinal
• Providing a cure or treatment for illness or deficiency
• Putting things right
• Use phone after engineers intended to correct something
• Call again, ringing yours truly, offering treatment