Letters to the Editor

Bross I D J (1954) Biometrics 10, 245–250.

Bross I D J Driscoll D L (1981) Yale Journal of Biology and Medicine 54, 317–328.

Rinsky R Zumwalde R Waxweiler R J (1981) Lancet i, 231–235.

Schofield G B (1982) Journal of the Royal Society of Medicine 75, 450–456.

Clough E A Schofield G B Ward F A (1979) Proceedings of Symposium on Biological Implications of Radionuclides Released from the Nuclear Industries, vol II. IAEA-SM-237/7; pp 167–187.

Fox A J Collier P F (1976) British Journal of Preventive and Social Medicine 30, 225–230.

Oh C Lee C Jacobson J H (1982) Surgery 91, 49–51.