APA
Chen H., McCoy L. F., Schleicher R. L. & Pfeiffer C. M. (20080725). Measurement of 25-hydroxyvitamin D3 (25OHD3) and 25-hydroxyvitamin D2 (25OHD2) in human serum using liquid chromatography-tandem mass spectrometry and its comparison to a radioimmunoassay method. : Clinica chimica acta; international journal of clinical chemistry.
Chicago
Chen Huiping, McCoy Leslie F, Schleicher Rosemary L and Pfeiffer Christine M. 20080725. Measurement of 25-hydroxyvitamin D3 (25OHD3) and 25-hydroxyvitamin D2 (25OHD2) in human serum using liquid chromatography-tandem mass spectrometry and its comparison to a radioimmunoassay method. : Clinica chimica acta; international journal of clinical chemistry.
Harvard
Chen H., McCoy L. F., Schleicher R. L. and Pfeiffer C. M. (20080725). Measurement of 25-hydroxyvitamin D3 (25OHD3) and 25-hydroxyvitamin D2 (25OHD2) in human serum using liquid chromatography-tandem mass spectrometry and its comparison to a radioimmunoassay method. : Clinica chimica acta; international journal of clinical chemistry.
MLA
Chen Huiping, McCoy Leslie F, Schleicher Rosemary L and Pfeiffer Christine M. Measurement of 25-hydroxyvitamin D3 (25OHD3) and 25-hydroxyvitamin D2 (25OHD2) in human serum using liquid chromatography-tandem mass spectrometry and its comparison to a radioimmunoassay method. : Clinica chimica acta; international journal of clinical chemistry. 20080725.