Yang, L1 2; Parkin, D M1; Whelan, S1; Zhang, S2; Chen, Y2; Lu, F2; Li, L2
1Descriptive Epidemiology Group, International Agency for Research on Cancer, 150 Cours Albert Thomas 69372 Lyon Cedex 08, France
2National Office for Cancer Prevention and Control, Beijing 100023, People's Republic of China
Correspondence to: Ling Yang. Fax: (+86) 10 67718227.
E-mail: [email protected]
Received 5 August 2004 Accepted 10 September 2004