TY  - RPRT
TI  - Newer cosmetic ingredients--new patch testing problems?
AU  - M O Barker
PY  - 1998
DO  - 10.1016/s1046-199x(98)90011-2
UR  - https://pubmed.ncbi.nlm.nih.gov/9601903/
ID  - 9601903
ER  -