The antigen location of Schistosoma japonicum, Clonorchis sinensis and Paragonimus westermani were studied by using immunogold-silver staining(IGSS) and indirect fluorescent antibody test(IFAT).
Morphology of 5-HT immunoreactive endocrine cells in the gastrointestinal tract of guinea-pig and man were studied using the immunogold-silver staining on paraffin sections.