to investigate some parameters involved in postmenopausal calcium metabolism we have measured fsh , lh , estradiol ( e2 ) , parathyroid hormone ( pth ) calcitonin ( ct ) , 25-hydroxy-vitamin d3 ( 25-oh-d3 ) , total calcium ( cat ) and ionic calcium ( ca++ ) serum levels in 20 healthy postmenopausal women and 20 premenopausal women .
C0006657
25-hydroxy-vitamin d3
C2713074
25-oh-d3