History of medicine 32 European history 30 Second World War 30 Postwar 20th century history, from c 1945 to c 2000 25 Refugees 16 human 16 refugee 14 Humans 11 adult 11 female 10 male 10 Migration, immigration & emigration 7 Social interaction 7 article 7 Humanities 6 Refugees & political asylum 6 human experiment 6 Adult 5 COVID-19 5 Female 5 History and Archaeology 5 Later 20th century c 1950 to c 1999 5 Modern warfare 5 c 1938 to c 1946 (World War Two period) 5 cross-sectional study 5 Cross-Sectional Studies 4 Male 4 Migrants 4 New Zealand 4 Refugee 4