Correlation between histological grade, MIB-1, p53, and recurrence in 69 completely resected primary intracranial meningiomas with a 6 year mean follow-up - Lanzafame,S.; Torrisi,A.; Barbagallo,G.; Emmanuele,C.; Alberio,N.; Albanese,V. (Pathol Res Pract, 2000)