Level I and II deficits-A clinical survey on international practice of awake craniotomy and definitions of postoperative "major" and "minor" deficits.

Vooijs M, Robertson FC, Blitz SE, Jungk C, Krieg SM, Schucht P, De Vleeschouwer S, Vincent AJPE, Berger MS, Nahed BV, Broekman MLD, Gerritsen JKW.