title: Abstracts from the 4(th) symposium on computer assisted orthopaedic surgery (CAOS'99), held in davos, switzerland on march 18(th) and 19(th), 1999*
authors.affiliation: Orthopadische Universitatsklinik, Stiftung Friedrichsheim, Frankfurt, Germany.
authors.initials: JA
authors.lastname: Richolt
authors.initials: M
authors.lastname: Teschner
authors.initials: PC
authors.lastname: Everett
authors.initials: MB
authors.lastname: Millis
authors.initials: R
authors.lastname: Kikinis