TY  - RPRT
TI  - A method for evaluating sunscreen protection from longwave ultraviolet.
AU  - R F Dahlen
AU  - S I Shapiro
AU  - C Z Berry
AU  - M M Schreiber
PY  - 1970
DO  - 10.1111/1523-1747.ep12280663
UR  - https://pubmed.ncbi.nlm.nih.gov/4990029/
ID  - 4990029
ER  -