Letters to the Editor

Ashley-Fraser R Simpson J G (1983) In: Ciba Foundation Symposium No. 100. Ed. Nugent J O'Connor M . Pitman, London; p 120

Brown R A Weiss J Tomlinson I W Phillips P Kumar S (1980) Lancet i, 682

Glowacki J Mulliken J B (1982) Pediatrics 70, 48

Kumar P Kumar S Marsden H B Lynch P G Earnshaw E (1980) Cancer Research 40, 2010

Kumar S (1980) Journal of the National Cancer Institute 64, 683

Lopez R Rand L I Zetter B R (1982) Microvascular Research 24, 87

Browning M J Banks R A Harrison P Tribe C R Fraley C T Zachary G Mackenzie J C (1984) Journal of the Royal Society of Medicine 77, 189–192

Reynolds J E F Prasad A B eds (1982) Martindale: the Extra Pharmacopoeia. 28th edn. Pharmaceutical Press, London

Feldson S D Sampliner R E (1984) Annals of Internal Medicine 100, 156–157

Freeman T (1982) Canadian Medical Association Journal 127, 818–819

Shelley W B (1980) Journal of the American Medical Association 243, 58–60