TY - JOUR AU - Chang, W Y; Lee, H T; Sun, M H TI - A pterion keyhole approach for the treatment of anterior circulation aneurysms JO - Minim Invas Neurosurg VL - 49 PY - 2006 DO - 10.1055/s-2006-954575 SP - 257 EP - 262 N1 - et al. ER -