STUDY ON RADIOIMMUNOASSAY OF Bt Cry1Ac PROTEIN Quantitative analysis of ecdysteroid in adults and the pre-diapause, diapause and post-diapause larvae of wheat blossom midge, Sitodiplosis mosellana Gehin Effects on secretory function of rat gonad by erxian decoction and its disassembled prescriptions STUDY ON TWO STEROIDAL SEX HORMONES IN RICE RADIOIMMUNOASSAY FOR ESTRADIOL IN SERUM ANALYSIS ATRAZINE RESIDUES IN SOILS USING RADIOIMMUNOASSAY DETERMINATION OF CARBOFURAN IN WATER BY RADIOIMMUNOASSAY IMMUNOASSAY FOR THE DETERMINATION OF CARBOFURAN RESIDUE A RADIOIMMUNOASSAY METHOD FOR DETERMINATION OF OVALBUMIN GENE EXPRESSION Assay of Estradiol and Testosterone in Pilose Antler