Skandapurana 1.4.28.52

1.4.28.52

vardhanaṃ baṃdhanaṃ caiva āyurvedaviśāradau..
skandāya dadatuḥ prītāvaśvinau bharatarṣabha.. 30.52 ..

pleased, the two Aśvins, skilled in the science of medicine, / gave Vardhana and Bandhana to Skanda, O bull of the Bharatas;