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Showing articles 0 to 3 of 3 Filter Applied: skin,discoloration (Click to remove) Complex Regional Pain Syndrome NEJM 393:2338-2348, Goebel,A., 2025 Hyperpigmentation in Vitamin B12 Deficiency NEJM 386:172, Sherman, S.V., 2022 Black Tongue Due to Adrenocortical Insufficiency Arch Dis Child 97:1033, de Benedictis, F.M.,et al, 2012 Showing articles 0 to 3 of 3