Sushruta Samhita
त्रिविधं कर्म- पूर्वकर्म, प्रधानकर्म, पश्चात्कर्मेति; तद्व्याधिं प्रत्युपदेक्ष्यामः ॥३॥
There are three types of actions: preliminary actions, principal actions, and subsequent actions; we shall now discuss the approach to illness.
english translation
trividhaM karma- pUrvakarma, pradhAnakarma, pazcAtkarmeti; tadvyAdhiM pratyupadekSyAmaH ॥3॥
hk transliteration by Sanscript