References
- Statland B. E., Winkel P. Problems of precision and accuracy related to specimen collection and handling. Technical Improvement Service 1976; 24: 60
- Statland B. E., Winkel P. Chapter I. Bias and random variation in laboratory measurements. Clinical Diagnosis by Laboratory Methods. Textbook in Clinical Pathology, T.B. Henry, Saunders, In press.
- Winkel P., Statland B. E., Bokelund H. Effects of time of venipuncture on variation of serum constituents. Consideration of within-day and day-to-day changes in a group of healthy young men. Am. J. Clin. Path 1975; 64: 433
- Winkel P., Statland B. E., Nielsen M. K. Analytic variation and biologic within-day variation of specific serum protein concentration in a group of healthy young men. Scand. J. clin. Lab. Invest 1976; 36: 1