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The reliability of radiographical information may be improved by a) standardised radiography (exposure-development); b) transformation of the original image into a densitometric image and equalization with a reference wedge made of Ergal. The linear absorption coefficient of Ergal in terms of photon X energy is almost identical to the average coefficient of the bone mineral matrix; c) processing the densitometric image for additional information. An automatic image analyser controlled by a computer is used. The first osteological results showing the correspondence between the densitometric measurements provided by the analyser and the actual bone mineral content revealed by chemical analysis are presented.
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E Pavanelli, and
S Serpico, and
C Bertolini, and
A Chiabrera, and
P F Antognetti, and
P Mondani
January 1993,
Physician assistant (American Academy of Physician Assistants),
G Vernazza, and
E Pavanelli, and
S Serpico, and
C Bertolini, and
A Chiabrera, and
P F Antognetti, and
P Mondani
March 1983,
Computertomographie,
G Vernazza, and
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C Bertolini, and
A Chiabrera, and
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P Mondani
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Radiologia diagnostica,
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October 1989,
Investigative radiology,
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P F Antognetti, and
P Mondani
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Journal of the American Dental Association (1939),
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Mead Johnson Symposium on Perinatal and Developmental Medicine,
G Vernazza, and
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P Mondani
August 2001,
Australian endodontic journal : the journal of the Australian Society of Endodontology Inc,
G Vernazza, and
E Pavanelli, and
S Serpico, and
C Bertolini, and
A Chiabrera, and
P F Antognetti, and
P Mondani
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Physics in medicine and biology,
G Vernazza, and
E Pavanelli, and
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C Bertolini, and
A Chiabrera, and
P F Antognetti, and
P Mondani
April 1994,
Dental economics - oral hygiene,
