Study type:
Epidemiological study
(observational study)
Long-term exposure to electric fields. A cross-sectional epidemiologic investigation of occupationally exposed workers in high-voltage substations
epidem.
By:
Knave B, Gamberale F, Bergstrom S, Birke E, Iregren A, Kolmodin-Hedman B, Wennberg A
Published in: Scand J Work Environ Health 1979; 5 (2): 115-125