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Wyss, Eric; Tamm, Lucius; Siebenwirth, Joachim; Baumgartner, Stephan (2010). Homeopathic Preparations to Control the Rosy Apple Aphid (Dysaphis plantaginea Pass.). ScientificWorldjournal, 10(Jan 8;10), pp. 38-48. Boynton Beach, Fla.: Scientific World Inc. 10.1100/tsw.2010.12
