Author:
Rim Chang Sin,Kim Yu Song,Rim Chol Ho,Ri Yong Je,Choe Ju Song,Kim Dae Song,Kim Gum Song,Ri Jung Il,Kim Ryu Chol,Chen Haide,Xiao Lei,Fu Zhixin,Pak Yong Jun,Jong Ui Myong
Subject
Endocrinology,Animal Science and Zoology,Food Animals,General Medicine