Media type: E-Article Title: Frameless Stereotaxy for Transsphenoidal Surgery Contributor: Elias, W. Jeffrey; Chadduck, James B.; Alden, Tord D.; Laws, Edward R. imprint: Ovid Technologies (Wolters Kluwer Health), 1999 Published in: Neurosurgery Language: English DOI: 10.1097/00006123-199908000-00015 ISSN: 1524-4040; 0148-396X Origination: Footnote: