1. The usefulness and limitations of hand-held refractometers in veterinary laboratory medicine;George,2001
2. The total protein content in the blood serum of vertebrates;De Smet,1978
3. Comparison of the methods for the determination of total serum protein in rainbow trout;Ikeda,1977
4. A comparison of five of the methods commonly used to measure protein concentrations in fish sera;Alexander,1980
5. Comparision of different methods of measuring protein and albumin in pigeon sera;Lumeij,1990