The medicotrophic syndrome: an acute modern phenomenon.
D003710:Demography; D004470:Economics, Medical / Q000266:history*; D005101:Expeditions / Q000266:history*; D049711:History, Modern 1601-; D008511:Medicine; D013223:Statistics as Topic / Q000266:history*; D014195:Travel / Q000266:history*; D014481:United States