Mongardini, C; Di Tanna, GL; Pilloni, A; (2012) Light-activated disinfection using a light-emitting diode lamp in the red spectrum: clinical and microbiological short-term findings on periodontitis patients in maintenance. A randomized controlled split-mouth clinical trial. Lasers in medical science, 29 (1). pp. 1-8. ISSN 0268-8921 DOI: https://doi.org/10.1007/s10103-012-1225-x Full text not available from this repository.

Evans, J; (2002) Combating blindness. The Practitioner, 246 (1636). p. 467. ISSN 0032-6518 https://researchonline.lshtm.ac.uk/id/eprint/15618 Full text not available from this repository.