Article 9 distilled water controlled study 7 nonhuman 6 animal tissue 4 unclassified drug 4 animal experiment 3 cytoplasm 3 eosin 3 hematoxylin 3 pH 3 acetonitrile 2 alcohol 2 animal cell 2 animal model 2 calcium 2 cell proliferation 2 histology 2 hydrochloric acid 2 in vitro study 2 male 2 methanol 2 mouse 2 plant growth 2 2, 4-D 1 2,4 dichlorophenoxyacetic acid 1 6 n benzyladenine 1 ATP Binding Cassette Transporter, Subfamily G, Member 2 1 Abcg2 protein, rat 1 Adventitious roots 1