A & E Services Ambulance Services Blood donors Carers Children in Hospital Clinical trials Community Health Complaints Doctors G.U.M. Clinics General Practitioners Health Care Abroad Health Information Serv. Hospitals Nurses Prescriptions Qualifications R & D Self Help Groups Waiting for treatment   Most hospital admissions are through referral by the GP but there are two ways in which you can attend an NHS hospital without a doctor's letter: through the Accident and Emergency Department (also known as A & E, or casualty). by going to a special clinic for the treatment of sexually transmitted diseases, also known as the STD Clinic, and Genito-Urinary Medicine or GUM Clinic. (See chapter on GUM/ Sexual Health Clinics.)     Copyright © 1998, NHS