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THE PHYSICAL FACTORS IN PHOTOTHERAPY.
Barnard JE, Morgan Hde R. Barnard JE, et al. Br Med J. 1903 Nov 14;2(2237):1269-71. doi: 10.1136/bmj.2.2237.1269. Br Med J. 1903. PMID: 20761174 Free PMC article. No abstract available.