PubMed · 2489159
[Tracing and measuring errors in the roentgenographic cephalometry].
Abstract
In the present study, thirty cephalometric films which had been used in three different investigations using almost the same parameters were selected and divided into two groups. Twenty-three parameters in the first group and nine parameters in the second, which were used in two and three investigations respectively, were statistically compared. Paired t test was used in the first group and variance analysis in the second group. In conclusion, a lot of parameters exhibited statistically significant variability, while some of them were not.
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A Erdem, I Ceylan, E Deniz. 1989. [Tracing and measuring errors in the roentgenographic cephalometry].. https://pubmed.ncbi.nlm.nih.gov/2489159/
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