Ramsay, Gavin; Dalgliesh, R.J.; Baldock, F.C.; Tisdell, Clem - School of Economics, University of Queensland - 1995
Economic studies require accessible accurate data on the occurrence of the disease being examined. In areas where this data is difficult to obtain, serological studies can provide considerable information. Serological data alone does not provide information on the number of cases of disease that...