Yakoob, Javeda; Jafri, Wasima; Hussainy, Akbar Sb
Section of Gastroenterology, Departments of aMedicine and bPathology, Aga Khan University Hospital, Karachi, Pakistan.
Correspondence to Dr Javed Yakoob MBBS, PhD, Research Fellow, Section of Gastroenterology, Department of Medicine, Aga Khan University Hospital, National Stadium Road, Karachi, Pakistan. Tel: +92 21 4859 4661; fax: +92 21 493 4294; e-mail: [email protected]
Received 23 September 2002 Revised 26 November 2002 Accepted 15 January 2003