RT Journal Article SR Electronic T1 Vaccine exemptions scrutinized in wake of measles outbreaks: Non-medical exemptions re-examined JF The Nation's Health JO Nations Health FD American Public Health Association SP 1 OP 10 VO 49 IS 5 A1 Krisberg, Kim YR 2019 UL http://www.thenationshealth.org/content/49/5/1.3.abstract AB