48
Participants
Start Date
June 30, 2014
Primary Completion Date
July 31, 2015
Study Completion Date
July 31, 2015
Thyroid facing the anode end of xray machine
Thyroid position: facing the anode end of xray machine
Thyroid facing the cathode end of xray machine
Thyroid position: facing the cathode end of xray machine
Instituto de Cardiologia do Rio Grande do Sul, Porto Alegre
Instituto de Cardiologia do Rio Grande do Sul
OTHER