Interference of Binding Protein with Serum Growth Hormone Measurements
  Measurement of serum growth hormone by mass spectrometry is demonstrated to be unaffected by interferences with growth hormone binding protein as frequently encountered with antibody-based routine test methods and provides an alternative approach, therefore, to acquisition of accurate results. 
Cristian G. Arsene, J\"urgen Kratzsch, Andr\'e Henrion
q-bio.QM