TY  - RPRT
TI  - [Oral immunization with microorganisms or antigens without multiplying capacity. I. The basic experiment with immunization of the mouse against an enteric infection].
AU  - H Raettig
PY  - 1964
UR  - https://pubmed.ncbi.nlm.nih.gov/5833564/
ID  - 5833564
ER  -