Charak Samhita
तत्र श्लोकौ- विमानार्थो रसद्रव्यदोषरोगाः प्रभावतः। द्रव्याणि नातिसेव्यानि त्रिविधं सात्म्यमेव च ॥२७॥
To sum up (all the verses of this chapter): The meaning of vimana is to know the effects of rasa, dravya, dosha and disorders, substances not to be used excessively, the three forms or types of satmya,
english translation