Authors: Stuetz, W Prapamontol, T Erhardt, JG Classen, HG

Citation: W. Stuetz et al., Organochlorine pesticide residues in human milk of a Hmong hill tribe living in Northern Thailand, SCI TOTAL E, 273(1-3), 2001, pp. 53-60

Authors: Erhardt, JG Heinrich, F Biesalski, HK

Citation: Jg. Erhardt et al., Determination of retinol, antioxidant vitamins and homocysteine in skin puncture blood, INT J VIT N, 69(5), 1999, pp. 309-314