TY  - JOUR 
T1  - T cell receptor excision circles as a tool for evaluating thymic function in young children
JO  - Brazilian Journal of Medical and Biological Research
A1  - Levy, A.
A1  - Rangel-Santos, A.
A1  - Torres, L.C.
A1  - Silveira-Abreu, G.
A1  - Agena, F.
A1  - Carneiro-Sampaio, M.
SN  - 0100-879X
UL  - 10.1590/1414-431X20198292
VL  - 52 
Y1  - 2019
PB  - Brasil 
ER  -