is this the straw that, page-7

Postmanpat

Competitors - only the skin test in practical terms. The Tspot test is not practical for testing large numbers of patients.

We are seeing a change in medical practice - away from the skin test to the test being done in the laboratory using blood. (IGRA - Interferon Gamma Release Assays)

- although be careful if you google IGRA (and I only know that as they said it at the AGM !)

With dividends

Go to Forrestthinks:

http://forrestthinks.blogspot.com/p/cst-dcf-valuation-matrix.html

and play around with the dividend calculations.