TY  - RPRT
TI  - Combined immunization.
AU  - J H LAPIN
AU  - M WEICHSEL
PY  - 1953
DO  - 10.1080/00325481.1953.11711489
UR  - https://pubmed.ncbi.nlm.nih.gov/13100174/
ID  - 13100174
ER  -