The PEACE project: general discussion
Roemer W; Hoek G; Brunekreef B; Schouten JP; Baldini G; Clench-Aas J; Englert N; Fischer P; Forsberg B; Haluszka J; Kalandidi A; Kotesovec F; Niepsuj G; Pekkanen J; Rudnai P; Skerfving S; Vondra V; Wichmann HE; Dockery D; Schwartz J (1998)