Parathyroid hormone levels in menopause: Associations with demographic characteristics, calcium supplementation and sex hormone profile. (June 2017) - Athanasopoulos, Nikolaos; Augoulea, Areti; Kazani, Aikaterini; Pliatsika, Paraskevi; Tsoltos, Nikolaos; Lambrinoudaki, Irene; Rozenberg, Serge