Chan and Kaufman 2008 and references therein University of Florida website Chan and Kaufman 2008 and references therein Tick, American Dog Chan and Kaufman 2008 and references therein Chan and Kaufman 2008 and references therein Chan and Kaufman 2008 and references therein Chan and Kaufman 2008 and references therein Chan and Kaufman 2008 and references therein Chan and Kaufman 2008 and references therein Chan and Kaufman 2008 and references therein Chan and Kaufman 2008 and references therein