Evaluation of a Hand-Held Hydrogen Monitor in the Diagnosis of Intestinal Lactase Deficiency

Isokosi M Jussila J Sarna M. A simple screening method for lactose malabsorption. Gastroenterol 1972; 62: 28–32.

Newcomer A McGill D Thomas P Hofmann A. Prospective comparison of indirect methods for detecting lactase deficiency. New Engl J Med 1975; 293: 1232–6.

Ostrander C Cohen R Hopper A Breath hydrogen analysis: A review of the methodologies and clinical applications. J Pediatr Gastroenterol Nutr 1983; 2: 525–33.

Bedfont Technical Instruments Ltd. Model EC60 Hydrogen Monitor Technical Information, 1988.

Metz G Jenkins D Peters T Newman A Blendis L. Breath hydrogen as a diagnostic method for hypolactasia. Lancet 1974; i: 1155–7.

Misiewicz J Pounder R Venables C , eds. Diseases of the Gut and Pancreas. Oxford: Blackwell Scientific Publications, 1987.

Jarvis M Belcher M Vesey C Hutchinson D. Low cost carbon monoxide monitors in smoking assessment. Thorax 1986; 41: 886–7.