TY  - JOUR 
T1  - Meta-analysis of melatonin treatment and porcine somatic cell nuclear transfer embryo development
JO  - Animal Reproduction
A1  - Guo, Zhenhua
A1  - Chen, Wengui
A1  - Lv, Lei
A1  - Liu, Di
SN  - 1984-3143
UL  - 10.1590/1984-3143-AR2021-0031
VL  - 18 
Y1  - 2021
PB  - Brasil 
ER  -