Epidemiology in Relation to Air Travel
... that in Epidemiology in Relation to Air Travel (1933), Arthur Massey showed how air passengers could spread infectious diseases between countries before they showed any symptoms?
... that in <i id="mwBhI"><b id="mwBhM"><a href="./Epidemiology_in_Relation_to_Air_Travel" id="mwBhQ" rel="mw:WikiLink" title="Epidemiology in Relation to Air Travel">Epidemiology in Relation to Air Travel</a></b></i> (1933), <a class="mw-disambig" href="./Arthur_Massey" id="mwBhU" rel="mw:WikiLink" title="Arthur Massey">Arthur Massey</a> showed how air passengers could spread infectious diseases between countries before they showed any symptoms?