Book review: Effectiveness versus Procedural Protection: Tensions triggered by the EU law mandate of ex officio review by Allison Östlund.(Baden-Baden: Nomos, 2019) - Common Market Law Review View Book review: Effectiveness versus Procedural Protection: Tensions triggered by the EU law mandate of ex officio review by Allison Östlund.(Baden-Baden: Nomos, 2019) by - Common Market Law Review Book review: Effectiveness versus Procedural Protection: Tensions triggered by the EU law mandate of ex officio review by Allison Östlund.(Baden-Baden: Nomos, 2019) 57 5 Common Market Law Review