Maybe semi-relevant: http://www.businessweek.com/stories/2008-04-16/are-there-too-many-women-doctors http://www.businessweek.com/stories/2008-04-16/are-there-to

Maybe semi-relevant: http://www.businessweek.com/stories/2008-04-16/are-there-too-many-women-doctors http://www.businessweek.com/stories/2008-04-16/are-there-too... Hard to say what's nature and what's nurture, though.