Kimblin, N., Peters, N., Debrabant, A., Secundino, N., Egen, J., Lawyer, P., Fay, M.P., Kamhawi, S., Sacks,D.(2008)Quantification of the infectious dose of Leishmania major transmitted to the skin by single sand flies, Proc Natl Acad Sci U S A. , 105(29), 10125-30.