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Physiology
A 63-year-old man recently treated for renal tuberculosis presents with weight loss, diarrhea, hypoglycemia, hypotension, and is noted to have hyperpigmented buccal mucosa, palmar and hand creases. Which investigation is most suitable for this clinical presentation?
Serum iron and ferritin
Serum copper and ceruloplasmin
Plasma ACTH and cortisol
Gene XPERT and Intravenous pyelography
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