Stephen J Ziegler1, Georg Bosshard. 1. School of Public and Environmental Affairs, Indiana University-Purdue University, Fort Wayne, IN 46805-1499, USA. zieglers@ipfw.edu
Authors: Agnes van der Heide; Luc Deliens; Karin Faisst; Tore Nilstun; Michael Norup; Eugenio Paci; Gerrit van der Wal; Paul J van der Maas Journal: Lancet Date: 2003-08-02 Impact factor: 79.321