English: commercial access agreement
Welsh: cytundeb mynediad masnachol
Subject: Iechyd
Welsh definition: Trefniant ariannol-fasnachol rhwng y GIG a chwmni fferyllol er mwyn gwella'r gwerth-am-arian a geir ar gyfer meddyginiaeth.
Plural: cytundebau mynediad masnachol