TY  - RPRT
TI  - Intravaginal immunization in sheep using a bioadhesive microsphere antigen delivery system.
AU  - D T O'Hagan
AU  - D Rafferty
AU  - S Wharton
AU  - L Illum
PY  - 1993
DO  - 10.1016/0264-410x(93)90313-m
UR  - https://pubmed.ncbi.nlm.nih.gov/8322490/
ID  - 8322490
ER  -