D. M.  Elston, ?What's eating you? Pediculus humanus (head louse and body louse)?, Cutis, vol. 63, no. 5, pp. 259 - 264, 1999.

C. J.  Ko and Elston, D. M., ?Pediculosis?, Journal of the American Academy of Dermatology, vol. 50, no. 1, pp. 1 - 12; quiz 13-4, 2004.