Charak Samhita
दन्तीद्रवन्तीकल्पेऽस्मिन् प्रोक्ताः षोडशकास्त्रयः। नानाविधानां योगानां भक्तिदोषामयान्प्रति॥४०॥
Sixteen recipes each for the likings of the person, the dosha involved and various disorders of danti and dravanti are mentioned in this chapter. A total number of 48 (16x3) therapeutic purgative formulation are mentioned.
english translation
dantIdravantIkalpe'smin proktAH SoDazakAstrayaH। nAnAvidhAnAM yogAnAM bhaktidoSAmayAnprati॥40॥
hk transliteration by Sanscript