<i>Pediculus humanus</i> under a light microscope
photo by Vincent S. Smith
CC BY 2.5
<p>From: Genetic Analysis of Lice Supports Direct Contact between Modern and Archaic Humans  Reed DL, Smith VS, Hammond SL, Rogers AR, Clayton DH PLoS Biology Vol. 2, No. 11, e340 doi:10.1371/journal.pbio.0020340
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