Potential of the homeopathic remedy, Arnica Montana 30C, to reduce DNA damage in Escherichia coli exposed to ultraviolet irradiation through up-regulation of nucleotide excision repair genes - Das, S.; Saha, S.K.; De, A.; Das, D.; Khuda-Bukhsh, A.R (Zhong Xi Yi Jie He Xue Bao, 2012)