John Mackenzie

Small bowel enteroscopy in undiagnosed gastrointestinal blood loss.

A. Morris, Lisa Wasson, John Mackenzie · Gut · 1992 · 168 citations · Full text

Gastrointestinal Bleeding, Rheumatology, Small Bowel Lesions +13

Enteroscopic diagnosis of small bowel ulceration in patients receiving non-steroidal anti-inflammatory drugs

A. Morris, John Mackenzie, Rajan Madhok et al. · The Lancet · 1991 · 160 citations

Small Bowel Ulceration, Enteroscopic Diagnosis, Gastroenterology +6

Systematic Four-Quadrant Biopsy Detects Barrett's Dysplasia in More Patients Than Nonsystematic Biopsy

Jo-Etienne Abela, James J. Going, John Mackenzie et al. · The American Journal of Gastroenterology · 2008 · 149 citations

Neodymium yttrium aluminium garnet laser photocoagulation for major haemorrhage from peptic ulcers and single vessels: a single blind controlled study.

I.A. MacLeod, P. Mills, John Mackenzie et al. · BMJ · 1983 · 129 citations · Full text

Ophthalmology, Minimally Invasive Procedure, Patient Safety +12

Faecal calprotectin in the assessment of Crohn's disease activity

Daniel R. Gaya, T.D.B. Lyon, Andrew Duncan et al. · QJM · 2005 · 90 citations