ཐུགས་ཀར་ཟླ་སྟེང་ཧཱུྃ་མཐར་སྔགས་ཕྲེང་ལས།།
In my heart on a moon disc is hūṃ encircled by the mantra-
Medicine Buddha, Sickness & Healing, Sādhanas, Compendium of Sādhanas, Tibetan Masters, Jamyang Khyentse Wangpo