Āyurvedarasāyana
dravadravyavijñānīyamadhyāyaṃ vyākhyātu pratijānīte-atheti| yataḥ pūrvaistribhiradhyāyairvihāra uktaḥ| āhāro vaktavyaḥ| sa ca dvividhaḥ,-dravo+adravaśca| tatra dravo+asminnadhyāye| ata evāyaṃ dravadravyavijñānīyaḥ| tatra ca pañca vargāḥ| vakṣyati hi (hṛ. sū.a. 5/83)- "toyakṣīrekṣutailānāṃ vargairmadyasya ca kramāt" iti|