CNBSSCanadian National Breast Screening Study
References in periodicals archive ?
Balanced information that the CNBSS has been widely discredited is not included.
Similarly, the CNBSS I* trial, (14) which randomized women aged 40-49 years either to receive annual mammography and physical breast examination, or to receive a single physical breast examination and instruction on how to conduct self-breast examination, found no reduction in breast cancer mortality after 11 to 16 years of follow-up.
The HIP screening was carried out in the 1960s, while both CNBSS trials were conducted in the 1980s.