TY  - RPRT
TI  - Repeated patch testing in penicillin allergy.
AU  - D P Bruynzeel
AU  - W G van Ketel
PY  - 1981
DO  - 10.1111/j.1365-2133.1981.tb00038.x
UR  - https://pubmed.ncbi.nlm.nih.gov/6452155/
ID  - 6452155
ER  -