TY  - RPRT
TI  - New approaches to mucosal immunization.
AU  - L Cárdenas-Freytag
AU  - E Cheng
AU  - A Mirza
PY  - 1999
DO  - 10.1007/978-1-4615-4143-1_34
UR  - https://pubmed.ncbi.nlm.nih.gov/10659373/
ID  - 10659373
ER  -