The Following have kindly consented to provide references

1) Dr Hamad Ali Elturabi

Consultant Chest Physician

Faculty of Medicine

University Of Khartoum, P.O. Box 102

Khartoum, Sudan

Tel: 0912393299

2) Professor Brian Gazzard

Consultant Physician & Gastroenterologist & Research Director

Department of HIV/GU Medicine

Chelsea and Westminster Hospital

369 Fulham Road

London SW10 9NH.

Tel: 020 874 68239

Fax: 020 874 68537

3) Professor Timothy Peto

Professor of Medicine and Infectious Diseases

John Radcliffe Hospital

Headley Way

Oxford OX3 9DU

Tel: 01865 220154

Fax: 01865 222962

4) Dr. Maggie Hammersley

Consultant Physician and Endocrinologist

John Radcliffe Hospital

Headley Way,

Oxford OX3 9DU

Tel: 01865220973

5) Dr. Terence Farrant

Consultant in Acute Medicine and Gastroenterology

Royal United Hospital, Bath

Combe Park,

Bath, Avon

BA2 4PT

Tel: 01225824536

Fax: 01225825730

6) Dr Christopher Dyer

Consultant Geriatrician

Royal United Hospital, Bath

Combe Park, Bath, Avon

BA2 4PT

Chairman Medical Division

Tel: 01225 821008