TY  - JOUR 
T1  - Effects of Vitamin A and K<sup>3</sup> on Immune Function and Intestinal Antioxidant Capacity of Aged Laying Hens
JO  - Brazilian Journal of Poultry Science
A1  - Li, L
A1  - Liu, Z
A1  - Fang, B
A1  - Xu, J
A1  - Dong, X
A1  - Yang, L
A1  - Zhang, Z
A1  - Guo, S
A1  - Ding, B
SN  - 1516-635X
UL  - 10.1590/1806-9061-2021-1572
VL  - 24 
Y1  - 2022
PB  - Brasil 
ER  -