TY  - RPRT
TI  - Evolution of an effective municipal immunizing programme: an eight-year study.
AU  - L J Hartman
PY  - 1966
DO  - 10.5694/j.1326-5377.1966.tb97637.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5924695/
ID  - 5924695
ER  -