Citation: P. Knuschke et J. Barth, BIOLOGICALLY WEIGHTED PERSONAL UV DOSIMETRY, Journal of photochemistry and photobiology.B, Biology, 36(1), 1996, pp. 77-83
Citation: J. Barth et al., SERUM 25(OH)D(3) AND ULTRAVIOLET EXPOSURE OF RESIDENTS IN AN OLD PEOPLES HOME IN GERMANY, Photodermatology, photoimmunology & photomedicine, 9(5), 1993, pp. 229-231