Ashtangasamgraha 2.132

2.132

tīkṣṇān virekān māṃsasthe medoghnaṃ medasi sthite |

asthisthe vātaśamanamabhyaṅgasvedamardanam |

jvare vātārtiśamanaṃ viśeṣādbastikarma ca ||

nābhiṃ chāgena śakṛtā dagdhenāntarvicūrṇayet ||

Sharp purges when situated in the flesh; fat-destroying measures when situated in the fat; / when situated in the bone, pacification of vāta, inunction, sudation, and massage; / pacification of pain from vāta in fever, and especially enema therapy; / one should dust the inside of the navel with burnt goat's dung.