I have had a query from a GP regarding ritalin measurement (methylphenidate hydrochloride) in a child where compliance is an issue. Does anyone have any experience in this area or know if this assay is available (nothing on AssayFinder) ? Many thanks Louise Tilbrook Louise Tilbrook Principal Clinical Scientist Pathology Department Princess Alexandra Hospital Hamstel Rd Harlow Essex CM20 1QX Tel: 01279 827034 Fax: 01279 416846 [log in to unmask] ------ACB discussion List Information-------- This is an open discussion list for the academic and clinical community working in clinical biochemistry. Please note, archived messages are public and can be viewed via the internet. Views expressed are those of the individual and they are responsible for all message content. ACB Web Site http://www.acb.org.uk List Archives http://www.jiscmail.ac.uk/lists/ACB-CLIN-CHEM-GEN.html List Instructions (How to leave etc.) http://www.jiscmail.ac.uk/