Reply to "Measurement uncertainty and doping control in sport" by A. van der Veen, Accred Qual Assur (2003) 8:334–339

[1]  M. M. Mariño,et al.  Determination of nandrolone and metabolites in urine samples from sedentary persons and sportsmen. , 2001, Journal of chromatography. B, Biomedical sciences and applications.