Infection with the protozoan parasite Neospora caninum is emerging as a major cause of reproductive loss in cattle worldwide. Recent advances in research with the ultimate goal of devisin...
To investigate changes in socioeconomic inequalities in census measures of health in England and Wales between 1991 and 2001.Indirect standardisation was used to calculate age standardise...
来源:《Journal of epidemiology and community health》 2006 年 60卷 3期