Mass research on lues in industry.
D001699:Biometry; D007221:Industry; D009787:Occupational Medicine; D009790:Occupations; D013587:Syphilis / Q000453:epidemiology* / Q000706:statistics & numerical data*
INDUSTRY AND OCCUPATIONS/medicine and surgery; SYPHILIS/epidemiology and statistics
Massaonderzoek op lues in de industrie.