Röser D, Simonsen J, Stensvold CR, Olsen KEP, Bytzer P, Nielsen HV, Mølbak K. Metronidazole therapy for treating dientamoebiasis in children is not associated with better clinical outcomes: a randomized, double-blinded and placebo-controlled clinical trial. Clin Infect Dis 2014;58:1692-1699
Frisch M, Simonsen J. Marriage, cohabitation and mortality in Denmark: national cohort study of 6.5 million persons followed for up to three decades (1982-2011). Int J Epidemiol 2013; 42:559-578
Howitz M F, Simonsen J, Krause TG, Robbins JB, Schneerson R, Mølbak K, Miller MA. Risk of adverse birth outcome after group B meningococcal disease: results from a Danish national cohort.Pediatr Infect Dis J 2009;28: 199-203
Simonsen J, Frisch M, Ethelberg S. Socioeconomic risk factors for bacterial gastrointestinal infections.
Helms M, Simonsen J, Olsen KEP, Mølbak K. Adverse health events associated with antimicrobial drug resistance in Campylobacter species: a registry-based cohort study. J Infect Dis 2005;191:1050-1055