The figure shows representative tissue from multiple gastric biopsies in which the expression of parathyroid hormone related peptide (PTHrP) was investigated using a horseradish peroxidase labelled polyclonal rabbit antibody directed against amino acids 1–34 of human PTHrP. The figure shows representative tissue from multiple gastric biopsies in which the expression of parathyroid hormone related peptide (PTHrP) was investigated using a horseradish peroxidase labelled polyclonal rabbit antibody directed against amino acids 1–34 of human PTHrP. (A) Gastric adenocarcinoma showing expression of PTHrP and (B) gastric adenoma showing no expression of PTHrP. Georg Engelich et al. J Clin Pathol 2000;53:643-644 Copyright © by the BMJ Publishing Group Ltd & Association of Clinical Pathologists. All rights reserved.