Histopathological diagnosis of primary aldosteronism using CYP11B2 immunohistochemistry - Nanba, K; Tsuiki, M; Sawai, K; Mukai, K; Nishimoto, K; Usui, T; Tagami, T; Okuno, H; Yamamoto, T; Shimatsu, A; Katabami, T; Okumura, A; Kawa, G; Tanabe, A; Naruse, M (J Clin Endocrinol Metab, 2013)