TY  - JOUR 
T1  - Tai Chi versus routine exercise in patients with early- or mild-stage Parkinson's disease: a retrospective cohort analysis
JO  - Brazilian Journal of Medical and Biological Research
A1  - Li, Quanhao
A1  - Liu, Jinmei
A1  - Dai, Fei
A1  - Dai, Fengling
SN  - 0100-879X
UL  - 10.1590/1414-431X20199171
VL  - 53 
Y1  - 2020
PB  - Brasil 
ER  -