RT Journal Article SR Electronic T1 Reproducible test for detecting Helicobacter pylori in frozen samples. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 519 DO 10.1136/jcp.43.6.519-a VO 43 IS 6 A1 Abdalla, S A1 Marco, F A1 Pérez, R M A1 Piqué, J M YR 1990 UL http://jcp.bmj.com/content/43/6/519.1.abstract AB