TY  - JOUR 
T1  - Region-specific reference intervals for TSH in pregnancy: time for changes in Brazil
JO  - Archives of Endocrinology and Metabolism
A1  - Sgarbi, José Augusto
SN  - 2359-3997
UL  - 10.20945/2359-3997000000067
VL  - 62 
Y1  - 2018
PB  - Brasil 
ER  -