1. The Guardian, 2 August 1944; reprinted 2 August 1994.
2. Kelce, W. R. et al. Nature 375, 581–585 (1995).
3. Sharpe, R. M. & Skakkebæk, N.-E. Lancet 341, 1392–1395 (1993).
4. Toppari, J. et al. Male Reproductive Health and Environmental Chemicals with Estrogenic Effects (Report No. 290 for the Danish Environmental Protection Agency, 1–166, 1995).
5. Carlson, E., Giwercman, A., Keiding, N. & Skakkebæk, N.-E. Br. med. J. 305, 609–612 (1992).