An independent panel resigned in a row over controversial research about the impact of abortion on the mental health of women, BBC News has been told.
The research, which is still being used in US legal cases about limiting access to abortion, was published in the British Journal of Psychiatry, in 2011.
Last year the panel, which was set up to investigate complaints about the paper, recommended it be withdrawn.
But journal-owner, the Royal College of Psychiatrists, overruled it.
The Royal College said the work had already been fully investigated.
However, BBC Newsnight and the BMJ understand all three panel members, and two other members of the journal's editorial board, resigned in protest. They have called into question the journal's editorial independence.
Full article here https://www.bbc.co.uk/news/uk-66249015
And segment on newsnight at about 20 mins in at BBC iPlayer - Newsnight - Triple By-Election Showdown