TY  - RPRT
TI  - Patch testing with colophony.
AU  - S Fregert
AU  - B Gruvberger
PY  - 1984
DO  - 10.1111/j.1600-0536.1984.tb00958.x
UR  - https://pubmed.ncbi.nlm.nih.gov/6499414/
ID  - 6499414
ER  -