Charak Samhita
श्रेष्ठं [२] गन्धकयोगात् सुवर्णमाक्षिकप्रयोगाद्वा। सर्वव्याधिनिबर्हणमद्यात् कुष्ठी रसं च निगृहीतम् ॥७१॥
Gandhaka (sulphur) and/or suvarṇamākṣika when used for processing of rasa (mercury) acts as the best medicine in treatment of all disease especially kushtha.
english translation
zreSThaM [2] gandhakayogAt suvarNamAkSikaprayogAdvA। sarvavyAdhinibarhaNamadyAt kuSThI rasaM ca nigRhItam ॥71॥
hk transliteration by Sanscript