References

RRÅ, R.kh., 1, 18.2
  yaduktaṃ vāgbhaṭe tantre suśrute vaidyasāgare //Context
RRÅ, V.kh., 18, 183.2
  teṣāṃ karma vicārya sāramakhilaṃ spaṣṭīkṛtaṃ tanmayā yaḥ kaścid gurutantramantraniratastasyaiva siddhaṃ bhavet //Context