1. Abbott Point of Care Inc. (2013a) Cartridge Test Information Sheet: Lactate/LAC. http://www.abbottpointofcare.com/Customer-Info-Center/Cartridge-and-Test-Info-Sheets.aspx
2. Abbott Point of Care Inc. (2013b) Cartridge Test Information Sheet: Total Carbon Dioxide/ (TCO2). http://www.abbottpointofcare.com/Customer-Info-Center/Cartridge-and-Test-Info-Sheets.aspx
3. Abbott Point of Care Inc. (2013c) Cartridge Test Information Sheet: PCO2 and Calculated Values for HCO3 −, Base Excess and Anion Gap. http://www.abbottpointofcare.com/Customer-Info-Center/Cartridge-and-Test-Info-Sheets.aspx
4. Abbott Point of Care Inc. (2013d) Cartridge Test Information Sheet: PO2 and Calculated Oxygen Saturated/sO2 . https://www.abbottpointofcare.com/support/technical-documentation/cartridge-test-information-sheets
5. Sexual dimorphism in the genital morphology of young American alligators, Alligator mississippiensis;Allsteadt;Herpetologica,1995