Letters to the Editor

Gjorgov AN . Barrier Contraception and Breast Cancer. Basel: S Karger, 1980

Pathak DR Speizer FR Willett WC Rosner B Lipnick RJ . Parity and breast cancer risk: Possible effect on age at diagnosis. Int J Cancer 1986; 37: 21–5

Huguley CM Brown RL Greenberg RS Clark WS . Breast self-examination and survival from breast cancer. Cancer 1988; 62: 1389–96

Gjorgov AN . Emerging worldwide trends of breast cancer incidence in the 1970s and 1980s: Data from 23 cancer registration centres. Eur J Cancer Prevent 1993; 2: 423–40

The Cancer and Steroid Hormone Study of the Centers for Disease Control and the National Institute of Child Health and Human Development. Oral contraceptive use and the risk of breast cancer. N Engl J Med 1986; 315: 405–11

Centers for Disease Control and Prevention. Update: barrier protection against HIV infection and other sexually transmitted diseases. HMWR 1993; 42: 589–97

deVincenzi I. For the European Study Group on Heterosexual Transmission of HIV. A longitudinal study of human immunodeficiency virus transmission by heterosexual partners. N Engl J Med 1994; 331: 341–6

Nott MR Peacock JL . Relief of injection pain in adults. EMLA cream for 5 minutes before venepuncture. Anaesthesia 1990; 45: 772–4

Harrison N Langham BT Bogod DG . Appropriate use of local anaesthetic for venous cannulation. Anaesthesia 1992; 47: 210–12

Ehrenström-Reiz G Reiz S Stockman O. Topical anaesthesia with EMLA, a new lidocaine-prilocaine cream and the Cusum technique for detection of minimal application time. Acta Anaesthesiol Scand 1983; 27: 510–12

Arendt-Nielsen L Bjerring P Nielsen J. Regional variations in analgesic efficacy of EMLA Cream. Acta Derm Venereol (Stockh) 1990; 70: 314–18

Lautenbacher S Rollman GB . Sex differences in responsiveness to painful and non-painful stimuli are dependant upon the stimulation method. Pain 1993; 53: 255–64