Shiva Purana
संसारवैद्यस्सर्वज्ञः परमात्मेति चाष्टकम् ॥ अथवा शिवमेवैकं जपित्वैकादशाधिकम् ॥ ४२ ॥
The eighth is the physician of the world and the omniscient Supreme Soul. Or chant one of Shiva alone and more than eleven times.
english translation
saMsAravaidyassarvajJaH paramAtmeti cASTakam ॥ athavA zivamevaikaM japitvaikAdazAdhikam ॥ 42 ॥
hk transliteration by Sanscript