IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN0-9678550-9-8. https://doi.org/10.1351/goldbook. Last update: 2014-02-24; version: 2.3.3. DOI of this term: https://doi.org/10.1351/goldbook.P04819.
elsevier.com
Staff. "Symbols and Units"(PDF). Respiratory Physiology & Neurobiology: Guide for Authors. Elsevier. tr. 1. Truy cập ngày 3 tháng 6 năm 2017. All symbols referring to gas species are in subscript,
iupac.org
goldbook.iupac.org
IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN0-9678550-9-8. https://doi.org/10.1351/goldbook. Last update: 2014-02-24; version: 2.3.3. DOI of this term: https://doi.org/10.1351/goldbook.P04819.
swmed.edu
pathcuric1.swmed.edu
Normal Reference Range TableLưu trữ ngày 25 tháng 12 năm 2011 tại Wayback Machine from The University of Texas Southwestern Medical Center at Dallas. Used in Interactive Case Study Companion to Pathologic basis of disease.
Normal Reference Range TableLưu trữ ngày 25 tháng 12 năm 2011 tại Wayback Machine from The University of Texas Southwestern Medical Center at Dallas. Used in Interactive Case Study Companion to Pathologic basis of disease.