TY  - RPRT
TI  - Sunscreen effectiveness: theoretical and practical considerations.
AU  - A Watson
PY  - 1983
DO  - 10.1111/j.1440-0960.1983.tb00242.x
UR  - https://pubmed.ncbi.nlm.nih.gov/6626072/
ID  - 6626072
ER  -