Charak Samhita
धूमैर्विरेकैः शिरसः पूर्वोक्तैर्गुल्मभेदनैः । अयोलवणपाषाणहेमताम्रप्रपीडनैः ॥१३१॥
Dhuma, shirovirechana, measures described to break the gulma in Gulma Chikitsa chapter, as well as iron, salt, stone, gold and copper should be used for prapidana (compression) of granthi.
english translation
dhUmairvirekaiH zirasaH pUrvoktairgulmabhedanaiH । ayolavaNapASANahematAmraprapIDanaiH ॥131॥
hk transliteration by Sanscript