Frameless stereotaxy and neuronavigation. - Martin Engelhardt; Ch. Brenke; W. Folkers; A. G. Harders; Kirsten Schmieder (CARS, 2003)

Neuronavigation in transspenoidal surgery of pituitary adenomas. - Martin Engelhardt; Ch. Brenke; W. Folkers; A. G. Harders; Kirsten Schmieder (CARS, 2003)

Applikation of the cranial navigation software during anterior cervical discectomy - a feasability study. - W. Folkers; Martin Engelhardt; Ch. Brenke; A. G. Harders; Kirsten Schmieder (CARS, 2003)