Key points are not available for this paper at this time.
Journal Article EPIDEMIOLOGY OF PRIMARY CENTRAL NERVOUS SYSTEM NEOPLASMS: II: CASE-CONTROL STUDY Get access NUNG WON CHOI, NUNG WON CHOI 4Department of Social and Preventive Medicine, Facility of Medicine, University of Manitoba; formerly, School of Public Health, University of Minnesota, and associated with the Mayo Clinic Search for other works by this author on: Oxford Academic PubMed Google Scholar LEONARD M. SCHUMAN, LEONARD M. SCHUMAN 5Division of Epidemiology, School of Public Health, University of Minnesota Search for other works by this author on: Oxford Academic PubMed Google Scholar WARREN H. GULLEN WARREN H. GULLEN 6Department of Community Medicine, Medical College of Georgia; formerly, School of Public Health, University of Minnesota Search for other works by this author on: Oxford Academic PubMed Google Scholar American Journal of Epidemiology, Volume 91, Issue 5, May 1970, Pages 467–485, https://doi.org/10.1093/oxfordjournals.aje.a121158 Published: 01 May 1970 Article history Received: 19 November 1969 Published: 01 May 1970
Choi et al. (Fri,) studied this question.