[Influenza prophylaxis in industrial areas; results obtained with quinine-veralgite].
D035843:Biomedical Research; D006801:Humans; D007221:Industry; D007251:Influenza, Human / Q000517:prevention & control*; D011803:Quinine / Q000627:therapeutic use*
D011803:Quinine
INFLUENZA/prevention and control; QUININE/therapeutic use
Grippeprophylaxe im Industriebetrieb; Ergebnisse mit Chinin-Veralgit.