"Physicians of the sick, treasuries of healings..."

Sts. Cosmas and Damian the Holy Unmercenaries and Wonderworkers (source)

  
Physicians of the sick, treasuries of healings, saviors of the faithful, O all-famed Unmercenaries, those in dangers and suffering in pain cry out to you for healing, together with [your mother] Theodoti, entreating: O God of good things, deliver us from the traps of the enemy.
-Idiomelon of the Praises for the Feast of the Holy Unmercenaries Sts. Cosmas and Damian
  
(source)
  

Through the prayers of our Holy Fathers, Lord Jesus Christ our God, have mercy on us and save us! Amen!