The present study aimed at measuring the ratio of apo/holo activities of angiotensin converting enzyme (ACE) ratio in the serum of patients with taste impairment to evaluate their status of zinc nutrition.
Department of Otolaryngology, The University of Tokushima School of Medicine, 3-18-15 Kuramoto, Tokushima 770-8503, Japan. takeda@clin.med.tokushima-u.ac.jp
