@misc{indiciae03a6ecec21ac,
  title = {Ultraviolet light hardening in polymorphous light eruption--a controlled study comparing different emission spectra.},
  author = {B U Rücker and M Häberle and H U Koch and P Bocionek and K H Schriever and O P Hornstein},
  year = {1991},
  url = {https://pubmed.ncbi.nlm.nih.gov/1756116/},
  note = {Source identifier: 1756116}
}