title: An improved chemical delivery apparatus for use in intermittent-flow bioassays.
mesh_terms: D001681:Biological Assay / Q000295:instrumentation*; D004396:Coloring Agents; D011042:Poisons / Q000032:analysis; D012997:Solvents
chemical_list: D004396:Coloring Agents; D011042:Poisons; D012997:Solvents