作者: C La Vecchia , E Negri , B D'Avanzo , S Franceschi
DOI: 10.1038/BJC.1990.245
关键词:
摘要: Two previous American case-control investigations found no, or only limited relations with refrigerator use (Correa et al., 1985; Risch 1985). We have now re-considered the issue on basis of a study from Northern Italy. The data were derived an ongoing investigation several digestive site cancers, based network teaching and general hospitals in greater Milan area