TY  - RPRT
TI  - Immunization against measles.
AU  - M L Freedman
PY  - 1968
DO  - 10.5694/j.1326-5377.1968.tb82743.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4877637/
ID  - 4877637
ER  -