TY  - RPRT
TI  - AIDS vaccine: present problems and future perspectives.
AU  - J Ennen
AU  - S G Norley
AU  - R Kurth
PY  - 1992
DO  - 10.1007/bf02591425
UR  - https://pubmed.ncbi.nlm.nih.gov/1467536/
ID  - 1467536
ER  -