Chandler, H.
, Bowen, R.
, Paffenbarger, G.
and Mullineaux, A.
(1969),
Clinical investigation of a radiopaque composite restorative material ::progress report, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.RPT.10063
(Accessed December 3, 2024)