TY  - JOUR 
T1  - Second-trimester fetal thymic-thoracic ratio in pregnancies treated with levothyroxine for elevated first-trimester TSH: a retrospective case-control study
JO  - Revista Brasileira de Ginecologia e Obstetrícia
A1  - Demir, Fatma Nazlı
A1  - Cevval, Zeycan Kübra
A1  - Kayıkçı, Umutcan
SN  - 0100-7203
UL  - 10.61622/rbgo/2026rbgo80
VL  - 48 
Y1  - 2026
PB  - Brazil 
ER  -