TY  - RPRT
TI  - Sun protection with trees.
AU  - B L Diffey
AU  - J L Diffey
PY  - 2002
DO  - 10.1046/j.1365-2133.2002.483010.x
UR  - https://pubmed.ncbi.nlm.nih.gov/12174130/
ID  - 12174130
ER  -