Astanga Hrudaya
यथाक्रमं यथायोगमत ऊर्ध्वं प्रयोजयेत् । रसायनानि सिद्धानि वृष्ययोगांश्च कालवित् ॥२७॥
After making the amendments, the physician who has knowledge of seasons should methodically and sequentially use Siddha (scriptural) chemicals and Vrishya (sperm enhancing) formulations.
english translation
कालवित् (ऋतु सम्बन्धी ज्ञान को रखने वाला ) चिकित्सक संशोधन कराने के बाद विधिपूर्वक तथा क्रमशः सिद्ध ( शास्त्रोक्त) रसायनों एवं वृष्य ( वीर्यवर्धक ) योगों का भी प्रयोग कराये I
hindi translation
yathAkramaM yathAyogamata UrdhvaM prayojayet । rasAyanAni siddhAni vRSyayogAMzca kAlavit ॥27॥
hk transliteration by Sanscript