[Senior citizens becoming increasingly more travel adventurous. Well prepared into the wide world].
Martin
M
Bischoff
D000375:Aging / Q000523:psychology*; D003140:Communicable Disease Control / Q000379:methods; D015438:Health Behavior; D006801:Humans; D010353:Patient Education as Topic / Q000379:methods*; D012307:Risk Factors; D012449:Safety; D014195:Travel / Q000523:psychology*; D014611:Vaccination / Q000379:methods