TY - JOUR AN - 54 AU - Freedman,R.R. AU - Krell,W. TI - Reduced thermoregulatory null zone in postmenopausal women with hot flashes JO - Am J Obstet Gynecol PY - 1999 VL - 181 SP - 66-70 M2 - 66 DO - 10.1016/S0002-9378(99)70437-0 ER -