MAP20090059955 Emily, Mathieu Risk assessment for hospital-acquired diseases : a risk theory approach / Mathieu Emily, Pierre Casez, Olivier François En: Risk analysis : an international journal. - McLean, Virginia : Society for Risk Analysis, 1987-2015 = ISSN 0272-4332. - 01/07/2009 Tomo 29 Número 4 - 2009