Cikitsasarasangraha (Vangasena) 97.7

Cikitsāsārasaṅgraha (Vaṅgasena) 97.7

dvādaśāṅgulamādyānā kṣatriyāṇāṃ daśāṅgulam
aṣṭāṅgulantu vaiśyānāṃ śūdrāṇāntu ṣaḍaṅgulam