Fullformexpand.com, 2026. "PPNAD." Accessed April 5, 2026. https://www.fullformexpand.com/ppnad/primary-pigmented-nodular-adrenocortical-disease.
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PPNAD. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/ppnad/primary-pigmented-nodular-adrenocortical-disease (Accessed: 5 April 2026).