title: Letter: mineralocorticoids and rectal potential difference.
mesh_terms: D003106:Colon / Q000187:drug effects*; D005260:Female; D006801:Humans; D006929:Hyperaldosteronism / Q000175:diagnosis; D007008:Hypokalemia / Q000175:diagnosis; D008297:Male; D008901:Mineralocorticoids / Q000494:pharmacology*; D011188:Potassium / Q000032:analysis; D011199:Potentiometry; D012007:Rectum / Q000502:physiology*; D014882:Water-Electrolyte Balance
chemical_list: D008901:Mineralocorticoids; D011188:Potassium