000 00410nam a2200133 a 4500
020 _a9241700645
050 0 0 _aRG137.5
245 0 0 _aOral contraceptives :
_btechnical and safety aspects.
260 _aGeneva :
_bWorld Health Organization ;
_a[Albany, N.Y. :
_bMay be obtained from WHO Publications Centre],
_c1982.
300 _a45 p. ;
650 0 _aOral contraceptives
650 0 _aOral contraceptives
942 _cBK
999 _c14
_d14