Astanga Hrudaya
त्रिविधं त्रिविधे दोषे तत्समीक्ष्य प्रयोजयेत्। तत्राल्पे लङ्घनं पथ्यं, मध्ये लङ्ह्घनपाचनम्॥२१॥
three kinds of Apatarpana, appropriate to the three Doshas should be adopted after careful consideration of all aspects. If Ama is little, only Langhana (fasting) will be suitable, If it is moderate Langhana (fasting) and Pachana – digestive drugs are needed;
english translation
trividhaM trividhe doSe tatsamIkSya prayojayet। tatrAlpe laGghanaM pathyaM, madhye laGhghanapAcanam॥21॥
hk transliteration by Sanscript