Letters.

Presents letters to the editor on medical topics as of January 25, 2003. Call for Prime Minister Tony Blair of Great Britain to prevent escalating violence and a war in Iraq; Use of computers and information technology by physicians; Perception that medical management needs to be re-thought in Britain; Risk factors for sudden infant death syndrome which increase danger from infection; The long-term effects of advice to reduce dietary salt; Objections of Indian scientists to the export of human tissue for research; Idea that an ethics dialogue between rich and poor countries is needed; Complication of issues relating to abortions in Nigeria.