Cerebrospinal fluid haptoglobin levels and outcome after aneurysmal subarachnoid haemorrhage: Evidence from Mendelian randomization. - Kayode, Gbenga A.; Zagkos, Loukas; Oboli, Godspower; Abraham, Sonya; Kato, Gregory; Ataher, Quazi; Farmakioti, Evangelia; Tremmel, Lothar; Burgess, Stephen (PLoS ONE, 2025)