title: A study on the effects of polychlorinated biphenyl (aroclor 1242) on an aquatic plant-- Spirodela oligorhiza (Kurz) Helm.
mesh_terms: D063245:Plant Development; D010944:Plants / Q000187:drug effects; D011078:Polychlorinated Biphenyls / Q000494:pharmacology*; D013997:Time Factors
chemical_list: D011078:Polychlorinated Biphenyls