Authors: Hellenbrand, W Breuer, T Petersen, L

Citation: W. Hellenbrand et al., Changing epidemiology of Q fever in Germany, 1947-1999, EM INFECT D, 7(5), 2001, pp. 789-796

Authors: Reintjes, R Hellenbrand, W Dusterhaus, A

Citation: R. Reintjes et al., Outbreak of Q-fever in Dortmund in the summer of 1999 - Results of an epidemiological outbreak study, GESUNDHEITS, 62(11), 2000, pp. 609-614

Authors: Hellenbrand, W Bauer, G Boeing, H Seidler, A Robra, BP

Citation: W. Hellenbrand et al., Diet in residents of East and West Germany in 1991-1992 as ascertained by a retrospective food frequency questionnaire, SOZ PRAVENT, 45(1), 2000, pp. 13-24

Authors: Seidler, A Raum, E Arabin, B Hellenbrand, W Walter, U Schwartz, FW

Citation: A. Seidler et al., Maternal occupational exposure to chemical substances and the risk of infants small-for-gestational-age, AM J IND M, 36(1), 1999, pp. 213-222