Delamater, P.L., Leslie, T.F., Y.T. Yang. 2017. Change in medical exemptions from immunization in California after elimination of personal belief exemptions. JAMA. 318(9):863–864.
Delamater, P.L., Leslie, T.F., Y.T. Yang. 2017. Change in medical exemptions from immunization in California after elimination of personal belief exemptions. JAMA. 318(9):863–864.