TY  - RPRT
TI  - Mumps immunization.
AU  - T R Welch
AU  - R A Beekman
PY  - 1983
DO  - 10.1001/archpedi.1983.02140280078024
UR  - https://pubmed.ncbi.nlm.nih.gov/6401386/
ID  - 6401386
ER  -