Wikman, H.a; Thiel, S.a; Jäger, B.a; Schmezer, P.a; Spiegelhalder, B.a; Edler, L.b; Dienemann, H.c; Kayser, K.c; Schulz, V.c; Drings, P.c; Bartsch, H.a; Risch, A.a
aGerman Cancer Research Centre (DKFZ), Division of Toxicology and Cancer Risk Factors, Heidelberg, bGerman Cancer Research Centre, Division of Biostatistik, Heidelberg and cThoraxklinik Heidelberg-Rohrbach, Heidelberg, Germany
Received 17 June 2000; accepted 28 August 2000
Correspondence to Dr Angela Risch, Division of Toxicology and Cancer Risk Factors (C0200), Im Neuenheimer Feld 280, D-69120 Heidelberg, Germany Fax: +49 622 1423 359; e-mail:[email protected]