Ashtangasamgraha 1.54

1.54

sadūtā dvādaśādhyāyāḥ nidānaṃ sārvaraugikam |

jvarāsṛkśvāsayakṣmādimadādyarśotisāriṇām ||

jvarārocakatṛṣṇāsyavairasyāpaktināśanāḥ ||

vidhyeddaivakṛte chidre sakṛdevarju lāghavāt ||

Along with 'Messenger', there are twelve chapters. The etiology of all diseases: / Of fevers, bleeding disorders, dyspnea, consumption, and the rest; intoxication, hemorrhoids, and diarrhea; / Destroyers of fever, loss of appetite, thirst, bad taste in the mouth, and indigestion. / One should pierce in the naturally formed hole, at once, straight through, with dexterity.