...T. J. Peters; P. E. Jones; G. Wells; G. G. Cook 1. Jejunal biopsy specimens were obtained from seven patients with post-infective tropical malabsorption, four of whom were infected with Giardia lamblia. 2. Enzymic analysis of the biopsy homogenates revealed a selective reduction of certain enzymes...

...A. M. Tomkins; T. Smith; S. G. Wright 1. Vitamin B 12 absorption was measured in 18 patients with tropical malabsorption. 2. Absorption was particularly impaired in patients with severe mucosal lesions. 3. Sequential measurements with 57 Co- and 58 Co-labelled vitamin B 12 were made before and 48 h...