TY  - RPRT
TI  - Topical and systemic photoprotection.
AU  - Cheryl F Rosen
PY  - 2003
DO  - 10.1046/j.1529-8019.2003.01602.x
UR  - https://pubmed.ncbi.nlm.nih.gov/12919121/
ID  - 12919121
ER  -