000 00318nam a2200109Ia 4500
020 _a92 4 120877 5
942 _cBK
245 _aCardiovascular disease and steroid hormone contraception
_bReport of a who scientific group
260 _aWorld health organization, Geneva
_c1998
082 _aR616.1 WHO
300 _avii,90p
999 _c39763
_d39763