Charak Samhita
चत्वारो मूत्रसिद्धास्ते पक्वाशयविशोधनाः। (व्यस्तैरपि समस्तैश्च चतुर्योगा उदाहृताः)॥२७॥
These above four groups of drugs prepared with cow’s urine are to be used as basti for colon cleansing. These four groups of drugs can be used separately or jointly.
english translation
catvAro mUtrasiddhAste pakvAzayavizodhanAH। (vyastairapi samastaizca caturyogA udAhRtAH)॥27॥
hk transliteration by Sanscript