TY  - GEN
AU  - Witkop,B
TI  - [Not Available]
SN  - 0419-800X
PY  - 1998///1215
KW  - Germany
KW  - History, 19th Century
KW  - Immunization
KW  - history
KW  - Microbiology
N1  - Publication Type: Biography; Historical Article; Journal Article; Portrait
ER  -