TY  - RPRT
TI  - Immunizations for foreign travel.
AU  - G F Hayden
AU  - J J Witte
PY  - 1978
DO  - 10.1097/00007611-197802000-00030
UR  - https://pubmed.ncbi.nlm.nih.gov/622632/
ID  - 622632
ER  -