title: A centering device for the Hessburg-Barron vacuum trephine.
authors.affiliation: Eye Research Institute, Boston, MA 02114.
authors.forename: J P
authors.initials: JP
authors.lastname: Gilbard
authors.forename: S R
authors.initials: SR
authors.lastname: Rossi
mesh_terms: D016039:Corneal Transplantation; D004867:Equipment Design; D006801:Humans; D014207:Trephining / Q000295:instrumentation*