There are 2 studies that match your criteria.
Criteria: Freq Range=0 - 300 Hz (Static, ELF),Study Type=Epidemiology,Study Subtype=Case Control Cancer Study,Status=Completed Without Publication

Details - Project ID 1092
Lab	S. Giovanni Hospital and University, Torino, Italy
Study Design	Exposure to EMF (as well as ionizing radiation, chemicals, and other pollutants and the incidence of childhood leukemia
Summary	SETIL: Case-Control Study on Etiological Factors for Childhood Leukemia, Non Hodgkin Lymphoma and Neuroblastoma
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Details - Project ID 1709
Lab	Isfahan Univ Medical Sciences, Iran
Study Design	50 Hz occupational exposure to workers and analysis of chromosome and blood abnormalities as well as psychological effects
Summary
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