Ellen Annandale, Mary Ann Elston and Lindsay Prior are all experts in the sociology of medical work, medical knowledge and health care. Until recently, they were senior members of the editorial team of the journal, The Sociology of Health and Illness. Dr Annandale is the author of "The Sociology of Health and Medicine&apos"; (1989), Dr Elston is the editor of "The Sociology of Medical Science and Technology&apos"; (Blackwell Publishing, 1997) and Dr Prior is the author of "The Social Organisation of Mental Illness&apos"; (1993).