Charak Samhita
दोषहेतुः पृथक्त्वेन भेषजोद्देश एव च। स्रोतोविमाने निर्दिष्टस्तथा चादौ विनिश्चयः ॥३०॥
Etiological factors of the various afflictions and their treatment, and basic descriptions of the srotas are the subject of study in this chapter on srotas.
english translation