[Opening speech of the President].
D006801:Humans; D007348:Insurance, Health; D008511:Medicine; D016272:Occupational Health / Q000266:history*; D012936:Social Medicine / Q000266:history*; D013060:Speech
HEALTH INSURANCE; INDUSTRIAL HYGIENE/history; MEDICINE, SOCIAL/history
Eröffnungsansprache des Vorsitzenden.