000 00688 a2200229 4500
005 20250512143415.0
264 0 _c19711207
008 197112s 0 0 eng d
022 _a0008-4409
040 _aNLM
_beng
_cNLM
100 1 _aBall, M J
245 0 0 _aThe "morning after pill".
_h[electronic resource]
260 _bCanadian Medical Association journal
_cOct 1971
300 _a691 p.
_bdigital
500 _aPublication Type: Journal Article
650 0 4 _aContraceptives, Oral
650 0 4 _aContraceptives, Postcoital
650 0 4 _aFemale
650 0 4 _aHumans
650 0 4 _aPregnancy
773 0 _tCanadian Medical Association journal
_gvol. 105
_gno. 7
_gp. 691
999 _c5099309
_d5099309