Source: British Journal of General Practice, Volume 54, Number 499, February 2004 , pp. 145-160(16)

Publisher: Royal College of General Practitioners

Links for this article

• http://www.ingentaconnect.com/rcgp/bjgp/2004/00000054/00000499/art00015
• http://openurl.ingenta.com/content?genre=article&issn=0960-1643&volume=54&issue=499&spage=145&epage=160
• http://dx.doi.org/NO_DOI