Srimad Bhagavatam Canto 09, Chapter 03, Text 26

SB 9.3.26

anvajanams tatah sarve
 graham somasya casvinoh
bhisajav iti yat purvam
 somahutya bahis-krtau
 
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada: 
 
Although the Asvini-kumaras were only physicians and were therefore excluded from drinking soma-rasa in sacrifices, the demigods agreed to allow them henceforward to drink it.
Srimad Bhagavatam Canto 09, Chapter 03, Text 25
Srimad Bhagavatam Canto 09, Chapter 03, Text 27