TY  - RPRT
TI  - Skin tests for epidemiologic studies.
AU  - A Backman
PY  - 1994
DO  - 10.1111/j.1398-9995.1994.tb01118.x
UR  - https://pubmed.ncbi.nlm.nih.gov/7825714/
ID  - 7825714
ER  -