Early surgery versus conservative treatment in patients with traumatic intracerebral hematoma: a CENTER-TBI study oleh I.A.M. van Erp, T.A. van Essen, H. Lingsma, D. Pisica, R.D. Singh, J.T.J.M. van Dijck, V. Volovici, A. Kolias, L.D. Peppel, M. Heijenbrok-Kal, G.M. Ribbers, D. Menon, P. Hutchinson, B. Depreitere, E.W. Steyerberg, A.I.R. Maas, G.C.W. de Ruiter, W.C. Peul