Thanks all responders (especially Sophie Barnes). The document I was seeking was draft NICE guidance (http://www.nice.org.uk/cat.asp?c=21348 or http://www.nice.org.uk/pdf/HF_NICE_guideline_secondconsultation.pdf) rather than a NSF. Makes compulsory reading. Geoff Lester Consultant Biochemist Royal Berkshire Hospital Reading ------ACB discussion List Information-------- This is an open discussion list for the academic and clinical community working in clinical biochemistry. Please note, archived messages are public and can be viewed via the internet. Views expressed are those of the individual and they are responsible for all message content. ACB Web Site http://www.acb.org.uk List Archives http://www.jiscmail.ac.uk/lists/ACB-CLIN-CHEM-GEN.html List Instructions (How to leave etc.) http://www.jiscmail.ac.uk/