Illness in travelers visiting friends and relatives: what can be concluded?
Behrens
Ron H
RH
Hatz
Christoph H
CH
Gushulak
Brian D
BD
MacPherson
Douglas W
DW
D015331:Cohort Studies; D003141:Communicable Diseases / Q000453:epidemiology*; D004641:Emigration and Immigration; D005190:Family; D033062:Friends; D006801:Humans; D012307:Risk Factors; D014195:Travel / Q000145:classification