Aṣṭāṅgahṛdayasaṃhitā

yaccānantarayoḥ kiñcidvakṣyate+adhyāyayorhitam||53||
yaccoktamiha tatsarvaṃ prayuñjīta parasparam||53||
sthāne bhūtapratiṣedho nāma pañcamo+adhyāyaḥ||5||