Fullformexpand.com, 2026. "NDF-RT." Accessed April 15, 2026. https://www.fullformexpand.com/ndf-rt/national-drug-file-reference-terminology.
"NDF-RT." (n.d.). Fullformexpand.com. Retrieved April 15, 2026, from https://www.fullformexpand.com/ndf-rt/national-drug-file-reference-terminology.
NDF-RT. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/ndf-rt/national-drug-file-reference-terminology (Accessed: 15 April 2026).