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Publicado en línea: 16 ene 2024
Páginas: 154 - 157
Recibido: 01 jul 1996
Aceptado: 01 jul 1996
DOI: https://doi.org/10.2478/aoj-1996-0014
© 1996 Lysle E. Johnston, published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Lysle E. Johnston
Robert Browne Professor Dentistry and Chair, Department of Orthodontics and Pediatrie Dentistry,
University of MichiganU.S.A.