Zhang, Y., Tobias, H. J., & Brenna, J. T. (2012). Highly sensitive and selective analysis of urinary steroids by comprehensive two-dimensional gas chromatography combined with positive chemical ionization quadrupole mass spectrometry.
शिकागो स्टाइल उद्धरणZhang, Ying, Herbert J. Tobias, और J. Thomas Brenna. Highly Sensitive and Selective Analysis of Urinary Steroids By Comprehensive Two-dimensional Gas Chromatography Combined With Positive Chemical Ionization Quadrupole Mass Spectrometry. 2012.
एमएलए उद्धरणZhang, Ying, Herbert J. Tobias, और J. Thomas Brenna. Highly Sensitive and Selective Analysis of Urinary Steroids By Comprehensive Two-dimensional Gas Chromatography Combined With Positive Chemical Ionization Quadrupole Mass Spectrometry. 2012.