Cakradatta (Cikitsasangraha) 40.54

40.54

alpāvaśiṣṭaṃ krimibhiḥ prajagdhaṃ
likhettato'gniṃ vidadhīta paścāt .
yadalpamūlaṃ traputāmrasīsaiḥ
saṃveṣṭya patrairatha vāyasairvā .. 54 ..

When only a little remains, eaten away by worms, / one should scrape it and then apply fire cautery; / wrapping whatever has a narrow base with plates of tin, copper, or lead, / or with iron sheets, (54)