TY  - JOUR 
T1  - Incidence of central nervous system metastases in patients with human epidermal growth factor receptor 2-positive metastatic breast cancer treated with trastuzumab: A meta-analysis
JO  - Clinics
A1  - Bai, Xue
A1  - Lin, Xue
A1  - Song, Jin
A1  - Chang, Jia-han
A1  - Han, Li-li
A1  - Fan, Cibo
SN  - 1807-5932
UL  - 10.6061/clinics/2021/e2653
VL  - 76 
Y1  - 2021
PB  - Brasil 
ER  -