I have a complete briefing package that I put out during the debate in the House. You're welcome to reference that and I'd be pleased to provide it to you.
The latest study, a 2016 study of over 4,500 teenagers on sexually explicit material and sexual coercion published in the Journal of Interpersonal Violence found that, for boys, perpetrating sexual coercion was an abuse significantly associated with the viewing of online pornography. That was the first study that provided us with a causational link.
Every other study up until 2016 had provided correlation.