Is there a suitable front-line test for discriminating hypopituitarism in patients with an isolated low free T4 detected on routine thyroid screening?

Corey Pritchard, Dr Liz Crowne, Dr Christine Burren and Dr Marion Roderick

Jonathan Fenn, Anna Sanders, Tejas Kalaria, Clare Ford, Rousseau Gama

Hughes C, Koppanarayana S, Watson M, Nipah R, Laing I

Dr. Sue Oddy, Ms Georgette Glover, Mr. Kevin Taylor, Dr. David Halsall