Self-Medication as Adaptive Plasticity: Increased Ingestion of Plant Toxins by Parasitized Caterpillars Singer, Michael S. ; Mace, Kevi C. ; Bernays, Elizabeth A. Abstract Publication: PLoS ONE Pub Date: March 2009 DOI: 10.1371/journal.pone.0004796 Bibcode: 2009PLoSO...4.4796S