Astanga Hrudaya
निरूहः पातयत्याशु सस्नेहलवणोऽपराम्। तत्सङ्गे ह्यनिलो हेतुः सा निर्यात्याशु तज्जयात्॥९०॥
mixed with oil and salt (rock salt – saindhava) and administered (through the rectum) causes quick delivery of the apara (placenta) vata is the cause for its obstruction and by winning over it (vata) it (the placenta) comes out quickly experts, can even remove it
english translation
nirUhaH pAtayatyAzu sasnehalavaNo'parAm। tatsaGge hyanilo hetuH sA niryAtyAzu tajjayAt॥90॥
hk transliteration by Sanscript