title: Enhanced visibility of precipitin disks in radial immunodiffusion measurements.
mesh_terms: D000818:Animals; D000431:Ethanol; D005326:Fetal Proteins / Q000032:analysis*; D005779:Immunodiffusion / Q000295:instrumentation* / Q000379:methods; D051381:Rats; D000509:alpha-Fetoproteins / Q000032:analysis*
chemical_list: D005326:Fetal Proteins; D000509:alpha-Fetoproteins; D000431:Ethanol