Letters to the Editor

Wise PH Kotelchuck M Wilson ML Mills M . Racial and socioeconomic disparities in childhood mortality in Boston. N Engl J Med 1985; 313: 360–6

Haggerty RJ . The limits of medical care. N Engl J Med 1985; 313: 383–4

Annual Report of the Medical Officer of Health, Johannesburg, South Africa, 1984

Young JL Ries LG Pollack ES . Cancer patients survival among ethnic groups in the United States. JNCI 1981; 73: 341–52

Steinhorn SC Myers MH Hankey BF Pelham VF . Factors associated with survival differences between black women and white women with cancer of the uterine corpus. Am J Epidemiol 1986; 124: 85–93

Walker ARP Walker BF Tshabalala EN Isaacson C Segal I . Low survival of South African urban black women with breast cancer. Br J Cancer 1984; 49: 241–4

Potter JF Dawkins DM Pandha HS Beevers DG . Cancer in Blacks, Whites and Asians in a British hospital. J R Coll Physicians London 1984; 18: 231–5

Rossor MN Iversen LL Reynolds GP Mountjoy CQ Roth M . Neurochemical characteristics of early and late onset types of Alzheimer's disease. Br Med J 1984; 288: 961

Mahendra B . Dementia and depression: the multifaceted relationship. Psychol Med 1985; 15: 227–36

Report of the NINCDS — ADRDA Work Group. Clinical diagnosis of Alzheimer's disease. Neurology 1984; 34: 939–44

Celio MR Norman AW . Nucleus basalis of Meynert neurons contain the Vitamin D-induced calcium binding protein (Calbindin D-28k). Anat Embryol 1985; 173: 143–8

Garcia Segura LM Baetens D Roth J Norman AW Orci L . Immunohistochemical mapping of calcium binding protein in the rat central nervous system. Brain Res 1984; 296: 75–36

Wassermann RH Fullmer CS . Vitamin D-induced calcium binding protein. In: Cheung ED , ed. Calcium and cell function. Vol II. London: Academic Press, 1982

Taylor AN . Chick brain binding protein: response to cholechalciferol and some development aspects. J Nutr 1977; 107: 480–6

Campbell AK . Intracellular calcium. Chichester: John Wiley, 1983

Gadjusek DC . Hypothesis: interference with axonal transport as a common pathogenetic mechanism in certain diseases of the central nervous system. N Engl J Med 1985; 312: 714–9

McDonald C . Clinical heterogeneity in senile dementia. Br J Psychiatry 1969; 115: 267–72

Naguib M Levy R . Prediction of outcome in senile dementia — A CT study. Br J Psychiatry 1982; 140: 263–7

Wilson JD George FW Griffin JE . The hormonal control of sexual development. Science 1981; 211: 1278

Short RV . Sex determination and differentiation. In: Austin CR Short RV , eds. Reproduction in mammals Book 2: Embryonic and fetal development. 2nd ed. Cambridge:Cambridge University Press, 1982: 70