Michael J Ball
Extract
A course of post-coital estrogens, in adequate dosage, is a highly effective and safe (though misnamed) form of post-coital contraception that deserves to be more widely known and prescribed. Both unwanted pregnancies and the demand for abortion could be reduced by its widespread use in emergency situations.
Ball MJ. (Correspondence) The “morning-after pill”. Can Med Assoc J. 1971;105(3):240.