[THE SEASONAL COURSE OF DISEASE CONDITIONS OF PERSONS ADAPTED TO RURAL OR URBAN EMPLOYMENT].
D003139:Common Cold; D004651:Employment; D004813:Epidemiology; D005858:Germany; D006801:Humans; D009787:Occupational Medicine; D012424:Rural Population; D012621:Seasons
COMMON COLD; EPIDEMIOLOGY; GERMANY; INDUSTRIAL MEDICINE
DER JAHRESZEITLICHE VERLAUF DES KRANKENSTANDES VON VOLKSEIGENEN BETRIEBEN IN LAND- UND STADTKREISEN.