the retinoids utilized in this study were ro-1-5488 ( all-trans-retinoic acid ) , ro-4-3780 ( 13-cis-retinoic acid ) , ro-10-9359 , ro-10-1670 , and ro-21-6583 .
C0035339
retinoids
C0022265
13-cis-retinoic acid