共 15 条
- [2] BURROUGHS W, 1974, R190 IOW ST U COOP E
- [3] Conway EJ., 1958, MICRODIFFUSION ANAL
- [4] GOERING H K, 1974, Journal of Dairy Science, V57, P621
- [5] KLOPFENSTEIN T, 1974, 12TH TECH ALF C P
- [6] KRAUSE V, 1972, J ANIM SCI, V35, P269
- [7] KRAUSE VE, 1973, THESIS U NEBRASKA
- [9] DIRECT COLORIMETRIC METHOD FOR DETERMINATION OF FREE AMMONIA IN BLOOD [J]. AGRICULTURAL AND BIOLOGICAL CHEMISTRY, 1967, 31 (03): : 301 - +