TY  - RPRT
TI  - Immunization against infectious diseases. Practice and problems.
AU  - A D Heggie
PY  - 1983
DO  - 10.1016/s0025-7125(16)31223-8
UR  - https://pubmed.ncbi.nlm.nih.gov/6219258/
ID  - 6219258
ER  -