TY  - RPRT
TI  - Classification of sunscreen preparations.
AU  - D F Robertson
AU  - G A Groves
PY  - 1977
DO  - 10.1111/j.1440-0960.1977.tb00021.x
UR  - https://pubmed.ncbi.nlm.nih.gov/614031/
ID  - 614031
ER  -