共 32 条
[2]
[Anonymous], 1982, SAS USERS GUIDE
[3]
BEISEL JR, 1976, TRACE ELEMENTS HUMAN, P93
[5]
CARLSON JH, 1980, BOVINE PRAC, V15, P84
[6]
FERNANDES G, 1979, P NATL ACAD SCI USA, V76, P457, DOI 10.1073/pnas.76.1.457
[8]
FRAKER PJ, 1984, J NUTR, V114, P170, DOI 10.1093/jn/114.1.170