The Compendium of Bheḷa 2.3.28

2.3.28

pādayoḥ śvayathuś ca syādraktagulme praduṣyati | eṣāṃ tu khalu pañcānāṃ gulmānāṃ samudāhṛtam | vidyādasādhyaṃ nicayaṃyatnasādhyāṃstathetarān || ity āha bhagavān ātreyaḥ | iti bhele nidāne tṛtīyo ' dhyāyaḥ || || caturtho ' dhyāyaḥ || athātaḥ kāsanidānaṃ vyākhyāsyāma iti ha smāha bhagavān ātreyaḥ |

and there is swelling of the feet when vitiation occurs in blood-gulma. / Of these five gulmas, it has indeed been declared: / one should know the combined [type] to be incurable, and the others curable with exertion."
Thus spoke the venerable Ātreya.
Thus ends the third chapter in the Nidāna section of Bheḷa.
Fourth Chapter.
Now we shall explain the diagnosis of cough; thus spoke the venerable Ātreya.