TY  - RPRT
TI  - Current immunization problems.
AU  - W GAISFORD
AU  - G V FELDMAN
AU  - F T PERKINS
PY  - 1960
DO  - 10.1016/s0022-3476(60)80183-7
UR  - https://pubmed.ncbi.nlm.nih.gov/13825961/
ID  - 13825961
ER  -