A randomized, double-blind, crossover study comparing two- and four-dose hydrocortisone regimen with regard to quality of life, cortisol and ACTH profiles in patients with primary adrenal insufficiency - Ekman, B; Bachrach-Lindstrom, M; Lindstrom, T; Wahlberg, J; Blomgren, J; Arnqvist, H J (Clin Endocrinol (Oxf), 2012)