Charak Samhita
तत्र श्लोकौ- सर्वरोगविशेषाणां त्रिविधं ज्ञानसङ्ग्रहम्। यथा चोपदिशन्त्याप्ताः प्रत्यक्षं गृह्यते यथा ॥१३॥
॥ Summary॥ To sum up again, Three methods for the determination of all types of diseases are - factors understood by the instructions of apta (sages),
english translation
tatra zlokau- sarvarogavizeSANAM trividhaM jJAnasaGgraham। yathA copadizantyAptAH pratyakSaM gRhyate yathA ॥13॥
hk transliteration by Sanscript