TY  - RPRT
TI  - [Delayed hypersensitivity in vitro: possibilities for using the system in humans].
AU  - H D Flad
AU  - G Hochapfel
AU  - K Federlin
PY  - 1969
UR  - https://pubmed.ncbi.nlm.nih.gov/5401615/
ID  - 5401615
ER  -