TY  - JOUR 
T1  - What is gold standard and what is ground
               truth?
JO  - Dental Press Journal of Orthodontics
A1  - Cardoso, Jefferson Rosa
A1  - Pereira, Ligia Maxwell
A1  - Iversen, Maura Daly
A1  - Ramos, Adilson Luiz
SN  - 2176-9451
UL  - 10.1590/2176-9451.19.5.027-030.ebo
VL  - 19 
Y1  - 2014
PB  - Brasil 
ER  -