Mantel, N.; Haenszel, W. (1959), "Statistical aspects of the analysis of data from the retrospective analysis of disease", Journal of the National Cancer Institute, 22 (4): 719–748, doi:10.1093/jnci/22.4.719, PMID13655060.
Mantel, N.; Haenszel, W. (1959), "Statistical aspects of the analysis of data from the retrospective analysis of disease", Journal of the National Cancer Institute, 22 (4): 719–748, doi:10.1093/jnci/22.4.719, PMID13655060.