00353nam a2200097Ia 4500008004100000100001800041245006600059245002600125260000900151856009500160160531s9999    xx            000 0 und d  aMaddock, Jay.  aPublic Health - Methodology, Environmental and Systems Issues  cEdited by Jay Maddock  c2012  uhttp://www.intechopen.com/books/public-health-methodology-environmental-and-systems-issues