RT Journal Article SR Electronic T1 Letter: Amylase assay by the Phadebas method. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 174 OP 175 DO 10.1136/jcp.29.2.174-b VO 29 IS 2 A1 A M Duncan A1 J King YR 1976 UL http://jcp.bmj.com/content/29/2/174.2.abstract AB